Question

find square without multiplaying= 1.)(508)²​

Answer 1

Answer:

(508)^2

(500 + 8)^2

using the formula (a + b)^2 = a2 + b2 + 2ab

= (500)^2 + (8)^2 + 2 × 500 × 8

= 250000 + 64 + 8000

= 2,58,064