Question

find the square using(a+b)²=a²+2ab+b² identify.a.72​

Answer 1

Step-by-step explanation:

Find the squares of the following numbers using the identity (a+b)2 = a2 + 2ab + b2. a) 610 b)102 c)305 Get the answers you need, now!

Answer 2

Step-by-step explanation:

72 = 70 + 2

72^2 = (70 + 2)^2

We know that (a + b)^2 = a^2 + 2ab + b^2

so

(70 + 2)^2 = 70^2 + 2 × 70 × 2 + 2^2

= 4900 + 280 + 4

= 5184

Hope it help because I did not spammed

;)