Class 9th MATHEMATICS ( CH 2 ) POLYNOMIALS.

1 Introduction:

  • Revise these formulas:
  • (x +  y)2= x2  +   2xy   +   y2
  • (x – y)2 =x2 – 2xy +   y2
  • x2 – y2 = (x +   y) (x – y)
Lesson Content
0% Complete 0/9 Steps
Previous Lesson
Back to Course
Next Lesson