Precalculus Examples

Step 1
Rewrite as .
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Factor the perfect power out of .
Factor the perfect power out of .
Rearrange the fraction .
Step 2
Pull terms out from under the radical.
Step 3
Rewrite as .
Step 4
Multiply by .
Step 5
Combine and simplify the denominator.
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Multiply by .
Raise to the power of .
Raise to the power of .
Use the power rule to combine exponents.
Add and .
Rewrite as .
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Use to rewrite as .
Apply the power rule and multiply exponents, .
Combine and .
Cancel the common factor of .
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Cancel the common factor.
Rewrite the expression.
Evaluate the exponent.
Step 6
Simplify the numerator.
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Combine using the product rule for radicals.
Multiply by .
Step 7
Multiply .
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Multiply by .
Multiply by .
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