Calculus Examples

Evaluate the Limit limit as x approaches infinity of (1-x^2)/(2x)
Step 1
Divide the numerator and denominator by the highest power of in the denominator, which is .
Step 2
Reduce the expression by cancelling the common factors.
Tap for more steps...
Step 2.1
Cancel the common factor of and .
Tap for more steps...
Step 2.1.1
Factor out of .
Step 2.1.2
Cancel the common factors.
Tap for more steps...
Step 2.1.2.1
Raise to the power of .
Step 2.1.2.2
Factor out of .
Step 2.1.2.3
Cancel the common factor.
Step 2.1.2.4
Rewrite the expression.
Step 2.1.2.5
Divide by .
Step 2.2
Cancel the common factor of .
Tap for more steps...
Step 2.2.1
Cancel the common factor.
Step 2.2.2
Divide by .
Step 3
As approaches , the fraction approaches .
Step 4
Since its numerator is unbounded while its denominator approaches a constant number, the fraction approaches negative infinity.