Algebra Examples

Compute $i^{- 2}$

Step 1

Rewrite the expression using the negative exponent rule $b^{- n} = \frac{1}{b^{n}}$ .

$\frac{1}{i^{2}}$

Step 2

Rewrite $i^{2}$ as $- 1$ .

$\frac{1}{- 1}$

Step 3

Divide $1$ by $- 1$ .

$- 1$