Algebra Examples

$i \cdot (- i)$

Step 1

Multiply $i (- i)$ .

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Step 1.1

Raise $i$ to the power of $1$ .

$- (i^{1} i)$

Step 1.2

Raise $i$ to the power of $1$ .

$- (i^{1} i^{1})$

Step 1.3

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$- i^{1 + 1}$

Step 1.4

Add $1$ and $1$ .

$- i^{2}$

Step 2

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

$- - 1$

Step 3

Multiply $- 1$ by $- 1$ .

$1$