Question

(a+8b) (a+8b) = ___ using identity​

Answer 1

Here is the answer :

(2a-3b)² = (2a)² - 2×2a×3b + (3b)²

=4a² - 12ab + 9b²

It is given that a=8 and b=4, Substituting,

=4(8)² - 12(8)(4) + 9(4)²

=4×64 - 12×32 + 9×16

=256 - 384 + 144

=400 - 384

=16

PLS MARK BRAINLIEST

Answer 2

Step-by-step explanation:

∴(a+8b) (a+8b)

∴(a+8b)²

∴a²+16ab+64b²