Algebra Examples

$a_{1} = \frac{{(- 1)}^{1}}{3^{1} - 1}$

Evaluate the exponent.

$a_{1} = \frac{- 1}{3^{1} - 1}$

Simplify the denominator.

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Evaluate the exponent.

$a_{1} = \frac{- 1}{3 - 1}$

Subtract $1$ from $3$ .

$a_{1} = \frac{- 1}{2}$

$a_{1} = \frac{- 1}{2}$

Move the negative in front of the fraction.

$a_{1} = - \frac{1}{2}$

The result can be shown in multiple forms.

Exact Form:

$a_{1} = - \frac{1}{2}$

Decimal Form:

$a_{1} = - 0.5$

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