Question

How do you evaluate `\frac { a ^ { 2} } { - a ^ { 3} b - 7}` if `a = 2` and `b=-3`?

Answer 1

The answer is `4/17`.

Explanation:

`a^2/(-a^3b-7)`
=`2^2/(-2^3*(-3)-7)`
=`4/(-8*(-3)-7)`
=`4/(24-7)`
=`4/17`