Enter a problem...

Precalculus Examples

Popular Problems

Expand the Logarithmic Expression natural log of 0.80/-0.15

$\ln (\frac{0.8}{- 0.15})$

Step 1

The natural logarithm of a negative number is undefined.

Undefined

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$

Please ensure that your password is at least 8 characters and contains each of the following:

a number
a letter
a special character: @$#!%*?&