## Class 11 Maths Chapter 10 Straight Lines Lecture 19

"What seems to us as bitter trials are often blessings in disguise." --Oscar Wilde Lecture - 19 Chapter 10 Straight Lines Purpose of coordinate axesGeometric Shapes follows “rigid body motion”All equations have two information related to geometric shapesGeometrical proof for benefits of shifting of originTransformation or translation of axes has two parts : shifting of …

## Lecture 18 Class 11 Maths Straight Lines Chapter 10

"Don't raise your voice, improve your argument." Lecture - 18 Chapter 10 Straight Lines Equation of Family of lines passing through the point of intersection of two lines with examples and animation SUPPLEMENTARY EXERCISE 10.4 Question 1. Find the equation of line through the intersection of lines 3x+4y=7 and x-y+2=0 and whose slope is 5. Question …

## Lecture 17 Chapter 10 Straight Lines Class 11 Maths

"The whole secret of a successful life is to find out what is one's destiny to do, and then do it." --Henry Ford Lecture - 17 Chapter 10 Straight Lines Miscellaneous Example 20. If the lines 2x+y-3=0, 5x+ky-3=0 and 3x-y-2=0 are concurrent, find the value of k. Miscellaneous Example 21. Find the distance of the line 4x …

## Straight Lines Lecture 13 Chapter 10 Class 11 Maths

"Great minds discuss ideas; average minds discuss events; small minds discuss people." --Eleanor Roosevelt Lecture - 13 Chapter 10 Straight Lines NCERT EXERCISE 10.3 Question 11. Prove that the line through the point and parallel to the line is MISCELLANEOUS EXERCISE Question 1. Find the values of k for which the line is(a) Parallel to the x-axis(b) Parallel to …

## Lecture 12 Chapter 10 Class 11 Maths Straight Lines

"Try not to become a person of success, but rather try to become a person of value." --Albert Einstein Lecture - 12 Chapter 10 Straight Lines NCERT EXERCISE 10.3Question 14. Find the coordinates of the foot of perpendicular from the point (–1, 3) to the line 3x – 4y – 16 = 0.Question 15. The perpendicular from …

## Chapter 10 Straight Lines Class 11 Maths Lecture 11

"Just when the caterpillar thought the world was ending, he turned into a butterfly." --Proverb Lecture - 11 Chapter 10 Straight Lines You will need to understand how to make equations and read information from equations before continuing NCERT EXERCISE 10.3 Question 7. Find equation of the line parallel to the line 3x–4y+2=0 and passing through …

## Lecture 10 Chapter 10 Straight Lines Class 11 Maths

"Success is walking from failure to failure with no loss of enthusiasm." --Winston Churchill Lecture - 10 Chapter 10 Straight Lines Derivation for Distance between a point and a straight lineNCERT EXERCISE 10.3Question 4. Find the distance of the point (–1, 1) from the line 12(x + 6) = 5(y – 2).How check lines are parallel …