(i) (a/2b+2b/a)^2-(2b/a-a/2b)^2 (ii) (4a+3b)^2-(4a-3b)^2+48ab (iii) (x-2)(x-3)(x+4)
(i) (a/2b+2b/a)^2-(2b/a-a/2b)^2 (ii) (4a+3b)^2-(4a-3b)^2+48ab (iii) (x-2)(x-3)(x+4) [S.Chand ICSE Class 9 Fundamentals of Mathematics Chapter 3 Exercise 3.1 Expansion and Factorisation …