Answer:
Its the First choice.
Step-by-step explanation:
(3 m-2 n)^-3 / 6m n^-2
= (1/27) m^6 n^-3 / 6 m n^-2
= m^5 n ^-3 / 27*6 n^-2
= m^5 n^2 / 162 n^3
= m^4 / 162 n (answer).
The correct answer is option (A) m5 /162n
Let us solve step by step
See the attached figure for solution
