2010004809 | math4u.vsb.cz

SubArea:

Expressions with exponents and radicals

Level:

Project ID:

2010004809

Source Problem:

Accepted:

0

Clonable:

1

Easy:

0

Evaluate the following expression at

x = 9

.

\frac{x^{- 2}}{x^{- \frac{1}{2}} - x^{- 1}}

\frac{1}{18}

- \frac{1}{18}

\frac{27}{2}

- \frac{27}{8}