Question 329358
{{{((6a^2)/(7b^3))^(-2)=((7b^3)/(6a^2))^(2)}}}
{{{((6a^2)/(7b^3))^(-2)=(7/6)^2(b^6/a^4)}}}
{{{((6a^2)/(7b^3))^(-2)=(49b^6)/(36a^4)}}}