Algebra Examples

${(- 11 x^{3} y)}^{- 2}$

Step 1

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

$\frac{1}{{(- 11 x^{3} y)}^{2}}$

Step 2

Simplify the denominator.

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Step 2.1

Apply the product rule to $- 11 x^{3} y$ .

$\frac{1}{{(- 11 x^{3})}^{2} y^{2}}$

Step 2.2

Apply the product rule to $- 11 x^{3}$ .

$\frac{1}{{(- 11)}^{2} {(x^{3})}^{2} y^{2}}$

Step 2.3

Raise $- 11$ to the power of $2$ .

$\frac{1}{121 {(x^{3})}^{2} y^{2}}$

Step 2.4

Multiply the exponents in ${(x^{3})}^{2}$ .

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Step 2.4.1

Apply the power rule and multiply exponents, ${(a^{m})}^{n} = a^{m n}$ .

$\frac{1}{121 x^{3 \cdot 2} y^{2}}$

Step 2.4.2

Multiply $3$ by $2$ .

$\frac{1}{121 x^{6} y^{2}}$