C-09-Q052: For $a, b > 0$ and $r \in Q$, $\left(\dfrac{a}{b}\right)^r$ equals:

C-09-Q052: For $a, b > 0$ and $r \in Q$, $\left(\dfrac{a}{b}\right)^r$ equals: | প্রশ্ন করি

For a,b>0a, b > 0a,b>0 and r∈Qr \in Qr∈Q, (ab)r\left(\dfrac{a}{b}\right)^r(ba​)r equals: