Question

Плииззз... номер 712

Answer 1

$sqrt{28x^9} =2x^4 sqrt{7x} \ sqrt{ frac{7m^3}{36} } = frac{m^2}{6} sqrt{7m} \ sqrt{25a^2b^5} =5|a|b^2 sqrt{b} =-5ab^2 sqrt{b} \ sqrt{8x^3y^1^0} =2xy^5 sqrt{2x} \ sqrt{-8p^7}= 2p^3sqrt{-2p} \ sqrt{x^3y^3} =xy sqrt{xy}$