Question

Using the formula(a^2)=a^2+b^2+2ab . Evaluate (508)^2

Answer 1

Answer:

508

=(500+8)

Here, Consider 500 as a and 8 as b

since we know that,

(a+b) ²=a²+2ab+b²........ (Identity)

(500+8) ²

→(500) ²+2×500×8+(8) ²

→250000+8000+64

→258064

Verification:

508×508=258064