Return to Assignments Root equations

### Assignment 1

Solve:

### Solution

The following conditions have to be satisfied (because of the square roots):

and

so:

Squaring both sides yields the equation:

This quadratic equation has the following solutions (by applying the -formula):

or:

of

The first equation satisfies the condition above, the second does not.

The solution:

satisfies the original equation.

Return to Assignments Root equations