Question

Упростите выражение ( 3с^-2 x d^2)^3 x (d/c)^-1 , если d не равно 0

Answer 1

=27(d/c)^6*(c/d)= 27(d/c)^5

Answer 2

=(27c^-6)*(d^6)*(c/d)=(27c^-6)*c*(d^5)=(27c^-5)*d^5=27d^5/c^5