Videos
Pair of Straight Lines
107
Family of Straight Lines
76
Equation of a Angle Bisector Which Contains a Given Point
44
Bisectors of Angles between Two Lines
195
Interchanging Forms Part 1
85
Parametric Form
109
Normal Form
69
Intercept Form
50
Slope Intercept Form
71
General Form and Two Point Form
136
Point Slope Form
70
What Is a Straight Line ??
922
Analysis of Main Paper
177
The point of intersection Main 1
96
Equation of line parallel to other line Main 1
147
Reflected Ray Main 1
162
Sides of triangle Main 1
176
Straight lines as sides of polygons Main 1
266
Analysis of Advanced Paper
85
Inclination of line Adv 1
165
Concurrency of Lines Adv 1
139
Orthocentre of triangle Adv 1
261
Family of curves Adv 1
228
Locus of orthocentre Adv 1
191
Cartesian Coordinate System
385
Cartesian Coordinate System
99
Introduction to Polar coordinates
293
Introduction to Polar coordinates
106
Cartesian and Polar Coordinates
160
Cartesian and Polar Coordinates
39
Cartesian and Polar Coordinates
131
Distance Formula
341
Distance Formula
47
Distance Formulae for Polar Coordinates
134
Distance Formulae for Polar Coordinates
42
Collinearilty of Points
359
Collinearilty of Points
48
Collinearilty of Points
89
Determining Types of Triangles
299
Determining Types of Triangles
35
Determining Types of Triangles
45
Determining Types of Quadrilateral
74
Determining Types of Quadrilateral
64
Determining Types of Quadrilateral
77
Determining Types of Quadrilateral
114
Determining Types of Quadrilateral
112
Internal Section Formula
445
Internal Section Formula
65
Midpoint, Trisection Formula
180
External Section Formula
394
Cut it Short!!
259
Cut it Short!!
179
Cut it Short!!
329
Centroid of a Triangle
284
Centroid of a Triangle
196
Centroid of a Triangle
150
Properties of Centroid
494
Properties of Centroid
252
Incentre of a Triangle
326
Incentre of a Triangle
326
Properties of Incentre - I
561
Properties of Incentre - I
409
Properties of Incentre - II
343
Excentre of a Triangle
561
Orthocentre of a Triangle
230
Properties of Orthocentre
472
Properties of Orthocentre
183
Properties of Circumcentre
129
Area of Triangle - I
166
Area of Triangle - I
355
Area of Triangle - I
288
Stair Method for Area of a Polygon
455
Stair Method for Area of a Polygon
93
Shifting the Origin
430
Effects of Translation on a Curve
198
Shifting the Origin
131
Effects of Translation on a Curve
239
Rotation of Axes
608
Rotation of Axes
236
Rotation of Axes
285
Definiton of Locus
453
Finding Locus of a Point
830
Finding Locus of a Point
2261
Finding Locus of a Point
452
Finding Locus of a Point
516
Locus Using Parametric Equations
363
Straight Line Using the Concept of Locus
267
Angle of Inclination
303
Slope/Gradient of a Line
378
Special Cases on Slope of Line
151
Angle Between Two Lines
261
Angle Between Two Lines
330
Angle Between Two Lines
395
Perpendicular and Parallel Lines
199
Collinearilty of Points
91
Collinearilty of Points
132
Equations of Line Parallel to Coordinate Axes
440
Equations of Line Parallel to Coordinate Axes
122
Equations of Line Parallel to Coordinate Axes
39
Various Forms of a Line: Point Form
220
Various Forms of a Line: Point Form
58
Various Forms of a Line: Point Form
35
Various Forms of a Line: Two Point Form
349
Various Forms of a Line: Slope-Intercept Form
140
Various Forms of a Line: Intercept Form
529
Various Forms of a Line: Intercept Form
180
Various Forms of a Line: Normal Form
577
Various Forms of a Line: Parametric Form
407
Various Forms of a Line: Parametric Form
96
Practice: Different Forms of Straight Lines
225
Practice: Different Forms of Straight Lines
260
Practice: Different Forms of Straight Lines
324
Practice: Different Forms of Straight Lines
399
Practice: Different Forms of Straight Lines
484
General Form to Slope Intercept Form
250
General Form to Intercept Form
195
General Form to Intercept Form
195
Practice: Reduction and Relations in Lines
278
Distance of a Point from a Line
582
Distance Between Parallel Lines
360
Distance Between Parallel Lines
108
Image of a Point About Coordinate Axes
368
Image of a Point About Origin
191
Image of a Point About y=x
375
Position of a Point Relative to a Line
577
Foot of Perpendicular, Length and Image of a Point
256
Foot of Perpendicular, Length and Image of a Point
592
Practice: Line and Points
159
41661
506
Acute and Obtuse Angle Bisectors
319
Acute and Obtuse Angle Bisectors
407
Bisector of the Angle Contatining the Given Point
418
Bisector of the Angle Contatining the Given Point
161
Bisector of the Angle Containing the Origin
109
Practice: Angle Bisectors
108
Condition of Concurrency
470
Practice: Condition of Concurrency
37
Practice: Condition of Concurrency
41
Practice: Condition of Concurrency
28
Practice: Concurrent Lines and Points of Intersection
437
Equation of Family of Straight Lines
332
Equation of Family of Straight Lines
441
Practice: Family of Straight Lines
277
Concepts on Family of Straight Lines
384
Reflection of Light
474
Refraction of Light
405
Practice: Application of Image
434
Practice: Application of Image
446
Introduction to Pair of Straight Lines
426
Homogenous Equations in Two Variables
268
Homogenous Equations in Two Variables
154
Angle Between Homogeneous Pair of Lines
789
Special Cases on Angle between Pair of Lines
364
Properties of Centres of a Triangle
327
Point of Intersection of Pair of Straight Lines
194
Introduction to Coordinate Geometry
106
Introduction to Polar Coordinates
387
Introduction to Cartesian Coordinates
376
Relation Between Cartesian and Polar Coordinates
329
Distance Using Polar Coordinates
135
Distance Formula
375
Collinearity of Points
484
Determining Types of Quadrilateral
415
Section Formula
152
Internal Section Formula
318
Midpoint Formula
55
External Section Formula
262
External Section Formula
93
Trisection Formula
93
External Section Formula
262
Types of Centres of a Triangle
93
Centroid of a Triangle
284
Incentre of a Triangle
1633
Excentre of a Triangle
549
Orthocentre of a Triangle
699
Circumcentre of a Triangle
303
Area of Polygon
536
Area of Triangle
812
Stair Method for Area of a Polygon
191
Shifting the Origin
616
Rotation of Axes
608
Mirror Images of a Point
935
Definition of Locus
441
Finding Locus of a Point
613
Locus Using Parametric Equations
448
Angle Between Two Lines
256
Condition for Parallel and Perpendicular Lines
189
Condition of Collinearity
229
Position of Points Relative to a Line
577
Concurrency of Lines
452
Distance Between Parallel Lines
569
Foot of Perpendicular
90
Applications of Image or Reflection
405
Family of Straight Lines
429
Equation of Line: Point Form
670
Equation of Line: Slope-Intercept Form
480
Equation of Line: Intercept Form
771
Equation of Line: Normal Form
357
Equation of Line: Parametric Form
418
Equations of Angle Bisectors
504
Acute and Obtuse Angle Bisectors
321
Bisector of the Angle Containing the Origin
107
Bisector of the Angle Containing the Given Point
418
General Form to Slope Intercept Form
263
General Form to Intercept Form
146
Homogenous Equations in Two Variables
580
Angle Between Homogeneous Pair of Lines
785
Angle of Inclination
303
Slope or Gradient
542
General Equation of Pair of Straight Lines
426
Distance of a Point from a Line
582
1579354
321
1126771
633
1139146
193
1266616
173
1266619
177
1266621
261
1266622
111
1266628
189
1273836
207
1273964
297
1275641
272
1275932
45
1275933
293
1275934
316
1275935
231
1275936
231
3085150
242
1288606
447
1288651
266
1288654
511
1296123
134
1300809
285
1300812
377
1300817
584
1300820
482
1300823
274
1300825
183
1301483
497
1301487
386
1302202
266
1302214
217
1302217
139
3085792
267
3085796
584
1385352
117
3332491
306
1437302
351
2795613
338
2872625
235
1441325
117
1449194
566
1599030
516
1851741
444
2142893
266
2142903
344
2147363
134
2148963
503
3085153
246
3085456
128
2158363
458
2158364
227
2158437
497
2158987
1067
2158991
233
1266636
86
1266637
183
1266639
134
1266641
168
1266642
113
1266659
94
1266695
108
Cartesian Coordinate System
385
Introduction to Polar coordinates
293
Cartesian And Polar Coordinates
161
Distance Formula
341
Distance Formulae For Polar Coordinates
135
Collinearilty of Points
359
Determining Types of Triangles
300
Determining Types of Quadrilateral
75
Internal Section Formula
446
Midpoint, Trisection Formula
180
Introduction of External Section by Internal Section
390
External Section Formula
263
Centroid of a Triangle
397
Properties of Centroid
493
Incentre of a Triangle
325
Properties of Incentre - I
555
Properties of Incentre - II
342
Excentre of a Triangle
562
Orthocentre of a Triangle
242
Properties of Orthocentre
468
Circumcentre of a Triangle
312
Properties of Centres of a Triangle
328
Stair Method For Area of a Polygon
456
Shifting The Origin
430
Effects of Translation on a Curve
198
Rotation of Axes
608
Definiton of Locus
453
Finding Locus of a Point
808
Locus Using Parametric Equations
363
Straight Line Using The Concept of Locus
268
Angle of Inclination
299
Slope/Gradient of a Line
391
Special Cases on Slope of Line
164
Angle Between Two Lines
261
Perpendicular And Parallel Lines
199
Collinear Points
91
Equations of Line Parallel to Coordinate Axes
442
Various Forms of a Line: Point Form
219
Various Forms of a Line: Point Form
34
Various Forms of a Line: Two Point Form
219
Various Forms of a Line: Slope-Intercept Form
580
Various Forms of a Line: Intercept Form
590
Various Forms of a Line: Normal Form
552
General Form to Slope Intercept Form
263
General Form to Intercept Form
205
Distance of a Point From a Line
575
Distance Between Parallel Lines
351
Image of a Point About Coordinate Axes
370
Image of a Point About Origin
186
Image of a Point About y=x
375
Position of a Point Relative to a Line
589
Length of Foot of Perpendicular
140
Image of a Point
118
Equations of Angle Bisectors
517
Acute And Obtuse Angle Bisectors
322
Bisector of The Angle Contatining The Given Point
419
Bisector of The Angle Containing The Origin
110
Condition of Concurrency
465
Equation of Family of Straight Lines
332
Reflection of Light
475
Refraction of Light
405
Introduction to Pair of Straight Lines
422
Homogenous Equations in Two Variables
269
Angle Between Homogeneous Pair of Lines
784
Special Cases on Angle between Pair of Lines
364
Point of Intersection of Pair of Straight Lines
183
Various Forms of a Line: Parametric Form
420
Summary
39