Algebra Examples

$\frac{21^{x}}{7^{x}}$

Step 1

Use the power of quotient rule $\frac{a^{m}}{b^{m}} = {(\frac{a}{b})}^{m}$ .

${(\frac{21}{7})}^{x}$

Step 2

Divide $21$ by $7$ .

$3^{x}$

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