Chapter 2 Class 9 Polynomials
Example 3 Important
Ex 2.2,1 Important
Ex 2.2, 3 (i)
Ex 2.2, 4 (i)
Question 2 Important
Question 2 Important
Question3 Important
Example 7 Important
Example 10 Important
Ex 2.3, 1 (i) Important
Ex 2.3, 2 (i)
Ex 2.3, 3 (i)
Ex 2.3, 4 (i)
Ex 2.3, 5 (i)
Example 13 (i) Important
Example 16 Important
Example 18 (i) Important
Example 19 Important You are here
Ex 2.4, 2 (i)
Ex 2.4, 3 (i)
Ex 2.4, 4 (i)
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Ex 2.4, 7 (i)
Ex 2.4, 10 (i) Important
Ex 2.4, 11
Ex 2.4, 16 (i)
Chapter 2 Class 9 Polynomials
Last updated at April 16, 2024 by Teachoo
Example 19 Factorize 8x3 + 27y3 + 36x2y + 54xy2 8x3 + 27y3 + 36x2y + 54xy2 = (2x)3 + (3y)3 + 36x2y + 54xy2 = (2x)3 + (3y)3 + 18xy(2x + 3y) = (2x)3 + (3y)3 + 3(2x) (3y) (2x + 3y) Using (a + b)3 = a3 + b3 + 3ab(a + b) Putting a = 2x , b = 3y = (2x + 3y)3 = (2x + 3y)(2x + 3y)(2x + 3y)