Calculus Examples

Evaluate the Limit ( limit as x approaches 16 of 4- square root of x)/(16x-x^2)
Step 1
Evaluate the limit.
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Step 1.1
Split the limit using the Sum of Limits Rule on the limit as approaches .
Step 1.2
Evaluate the limit of which is constant as approaches .
Step 1.3
Move the limit under the radical sign.
Step 2
Evaluate the limit of by plugging in for .
Step 3
Simplify the answer.
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Step 3.1
Simplify the numerator.
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Step 3.1.1
Rewrite as .
Step 3.1.2
Pull terms out from under the radical, assuming positive real numbers.
Step 3.1.3
Multiply by .
Step 3.1.4
Subtract from .
Step 3.2
Factor out of .
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Step 3.2.1
Factor out of .
Step 3.2.2
Factor out of .
Step 3.2.3
Factor out of .
Step 3.3
Divide by .