Algebra Examples

$\sqrt{- 1^{2} + 2^{2}}$

Step 1

One to any power is one.

$\sqrt{- 1 \cdot 1 + 2^{2}}$

Step 2

Multiply $- 1$ by $1$ .

$\sqrt{- 1 + 2^{2}}$

Step 3

Raise $2$ to the power of $2$ .

$\sqrt{- 1 + 4}$

Step 4

Add $- 1$ and $4$ .

$\sqrt{3}$

Step 5

The result can be shown in multiple forms.

Exact Form:

$\sqrt{3}$

Decimal Form:

$1.73205080 \dots$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$