Calculus Examples

Evaluate the Limit limit as x approaches 4 of (1/4+1/x)/(4+x)
Step 1
Split the limit using the Limits Quotient Rule on the limit as approaches .
Step 2
Split the limit using the Sum of Limits Rule on the limit as approaches .
Step 3
Evaluate the limit of which is constant as approaches .
Step 4
Split the limit using the Limits Quotient Rule on the limit as approaches .
Step 5
Evaluate the limit of which is constant as approaches .
Step 6
Split the limit using the Sum of Limits Rule on the limit as approaches .
Step 7
Evaluate the limit of which is constant as approaches .
Step 8
Evaluate the limits by plugging in for all occurrences of .
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Step 8.1
Evaluate the limit of by plugging in for .
Step 8.2
Evaluate the limit of by plugging in for .
Step 9
Simplify the answer.
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Step 9.1
Multiply the numerator and denominator of the fraction by .
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Step 9.1.1
Multiply by .
Step 9.1.2
Combine.
Step 9.2
Apply the distributive property.
Step 9.3
Simplify by cancelling.
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Step 9.3.1
Cancel the common factor of .
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Step 9.3.1.1
Cancel the common factor.
Step 9.3.1.2
Rewrite the expression.
Step 9.3.2
Cancel the common factor of .
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Step 9.3.2.1
Cancel the common factor.
Step 9.3.2.2
Rewrite the expression.
Step 9.4
Add and .
Step 9.5
Simplify the denominator.
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Step 9.5.1
Multiply by .
Step 9.5.2
Multiply by .
Step 9.5.3
Add and .
Step 9.6
Cancel the common factor of and .
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Step 9.6.1
Factor out of .
Step 9.6.2
Cancel the common factors.
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Step 9.6.2.1
Factor out of .
Step 9.6.2.2
Cancel the common factor.
Step 9.6.2.3
Rewrite the expression.
Step 10
The result can be shown in multiple forms.
Exact Form:
Decimal Form: