Question

find the product of (7/8k + t)² using the identity of (a + b)² = a² + 2ab + b²​

Answer 1

(7/8k + t)² [given]

here a = 7/8k

b = t

(a+b)² = a² + 2ab + b²

therefore (7/8k)² +2 x 7/8 x t + t²

49/64k² + 7/4t + t²

Here is your answer !!!