Question

Ajutor..............

Answer 1

$\sqrt{ {12}^{10} } = \sqrt({ { {12}^{5} })^{2} } = {12}^{5}$
$\sqrt({ { - 5}^{2} }) = \sqrt{ {5}^{2} } = 5$

Answer 2

a) √12^10 = |12^5| = 12^5 = 248832
b) √(-5)^2 = √25 = 5 sau √(-5)^2 = |-5| = 5