Question

57²,Find the value using expansion formula.

Answer 1

hello mate!....

given

57^2 =57×57

57^2 = 3249

hope it helps u

Answer 2

BONJOUR,
❤ ❤ ❤
we can write this like (50+7)^2
$(50 + 7) {}^{2} \\ by \: using \: identity \: \\ 50 {}^{2} + 2 \times 50 \times 7 + 7 {}^{2} \\ 2500 + 700 + 49 \\ 3249$