Question

Using proper identities find the products of the following

I) (2a-5b)2​

Answer 1

QUESTION:- Using proper identities find the products of the following

I) (2a-5b)2

ANSWER:-

$identity : \: {(a - b)}^{2} = {a}^{2} +{b}^{2} - 2ab \\ \\ \\ {(2a - 5b)}^{2} \\ \\ = {(2a)}^{2} + {(5b)}^{2} - 2(2a)(5b) \\ \\ = {4a}^{2} + {25b}^{2} - 20ab \\ \\ hope \: \: it \: \: helps \: \\ \\ mark \: \: brainliest \: \: pls$