9000088805 | math4u.vsb.cz

SubArea:

Polynomials and fractions

Level:

Project ID:

9000088805

Accepted:

1

Clonable:

0

Easy:

1

Simplify the following expression.

\frac{a^{4} - 1}{1 - a^{2}}

- a^{2} - 1

a^{2} + 1

a^{2} - 1

1 - a^{2}