Calculus Examples

Evaluate the Limit limit as x approaches negative infinity of (1-e^x)/(1+e^x)
Step 1
Evaluate the limit.
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Step 1.1
Split the limit using the Limits Quotient Rule on the limit as approaches .
Step 1.2
Split the limit using the Sum of Limits Rule on the limit as approaches .
Step 1.3
Evaluate the limit of which is constant as approaches .
Step 2
Since the exponent approaches , the quantity approaches .
Step 3
Evaluate the limit.
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Step 3.1
Split the limit using the Sum of Limits Rule on the limit as approaches .
Step 3.2
Evaluate the limit of which is constant as approaches .
Step 4
Since the exponent approaches , the quantity approaches .
Step 5
Simplify the answer.
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Step 5.1
Simplify the numerator.
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Step 5.1.1
Multiply by .
Step 5.1.2
Add and .
Step 5.2
Add and .
Step 5.3
Divide by .