Question

solve
${(4a + 3b)}^{2} - {(4a - 3b)}^{2} + 48ab$
using the formulae
(a+b)^2 - (a-b)^2 = 4ab​

Answer 1

==> (4a + 3b)² - (4a - 3b)² = 4*(4a)*(3b) = 48ab 
So, (4a + 3b)² - (4a - 3b)² + 48ab = 48ab + 48ab = 96ab


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Answer 2

${(4a + 3b)}^{2} - {(4a - 3b)}^{2} + 48ab$
using the formulae
(a+b)^2 - (a-b)^2 = 4ab
$\huge{Answer:-)}$

=>${(4a + 3b)}^{2} - {(4a - 3b)}^{2}$
= 48ab
let as question:-

48ab+48ab

= 96ab.

hope it helps you..