Basic Math Examples

${(\frac{a}{b})}^{- 2}$

Step 1

Change the sign of the exponent by rewriting the base as its reciprocal.

${(\frac{b}{a})}^{2}$

Step 2

Apply the product rule to $\frac{b}{a}$ .

$\frac{b^{2}}{a^{2}}$