Question

find the square of 250 by using identity?​

Answer 1

${250}^{2} = {(200 + 50)}^{2} \\ \\ = {200}^{2} + 2 \times 200 \times 50 + {50}^{2} \\ \\ = 4000 + 2000 + 250 \\ \\ = 6500$

Answer 2

Answer:

$(250) ^{2} = (200 + 50) ^{2} = \\ \\ 40000 + 2500 + 20000 \\ = 60000 + 2500 \\ = 62500$

I hope you anderstand .........