Question

use the identities.(3x+5y)^2

Answer 1

Step-by-step explanation:

Here,

a= 3x

b= 5y

Therefore, Identity is

(a+b)^2 = a^2 + b^2 + 2ab

(3x+5y)^2 = (3x)^2 + (5y)^2 + 2(3x)(5y)

(3x+5y)^2 = 9x^2 + 25y^2 + 30xy