Example 13 (i) - Chapter 2 Class 9 Polynomials (Important Question)

Last updated at Dec. 13, 2024 by

Slide25.JPG

 

Go Ad-free

Transcript

Example 18 Factorize: 49a2 + 70ab + 25b2 49a2 + 70ab + 25b2 = 72 a2 + 70ab + 52 b2 = (7a)2 + 70ab + (5b)2 = (7a)2 + (5b)2 + 2(7a) (5b) Using Identity (x + y)2 = x2 + y2 + 2xy where x = 7a and y = 5b = (7a + 5b)2 = (7a + 5b) (7a + 5b)

Davneet Singh's photo - Co-founder, Teachoo

Made by

Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science and Computer Science at Teachoo