Question

d, \(\left(\dfrac{3}{4}\right)^7.x=\left(\dfrac{3}{4}\right)^5\)

Answer 1

\(\Rightarrow x=\left(\dfrac{3}{4}\right)^5:\left(\dfrac{3}{4}\right)^7=\left(\dfrac{3}{4}\right)^{-2}=\left(\dfrac{4}{3}\right)^2=\dfrac{16}{9}\)