Question

Using formula a square plus b square plus 2ab evaluate 508 sqare

Answer 1

Answer:

258064

Step-by-step explanation:

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

(508)^2

= (500+8)^2

=(500)^2 + (8)^2 + 2×500×8

=250000+64+8000

=258064

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