# Question #8471c

##### 1 Answer

Dec 31, 2014

The original powers of the 2 brackets are

#### Explanation:

Your function is the sum of two square roots. Your square roots cannot have negative argument (you cannot find a real number which is solution of a negative square root).

So you must avoid negative arguments; so it must be:

The first gives you:

The second gives you:

BUT, they have to work together in your function!

The shaded region (