Question

найдите значение выражения
(3а^2)^3×(7b)^2/(21a^3b)^2

Answer 1

$displaystyle frac{(3a^{2})^{3}*(7b)^{2}}{(21a^{3}b)^{2}}= frac{27a^{6}*49b^{2}}{441a^{6}b^{2}}= frac{1323a^{6}b^{2}}{441a^{6}b^{2}}=3$