Question

Which expression is equivalent to

Answer 1

Its the First choice.

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).

Answer 2

The correct answer is option (A) m5 /162n

Explanation:

Let us solve step by step

See the attached figure for solution