SOLUTION: What can be reduced in radical expressions like this ? Purplemath.com states this can't be reduced any further. But why can't it ? 3/(2 + sq root 2) Their final answer is:

Algebra ->  Real-numbers -> SOLUTION: What can be reduced in radical expressions like this ? Purplemath.com states this can't be reduced any further. But why can't it ? 3/(2 + sq root 2) Their final answer is:       Log On


   



Question 1153235: What can be reduced in radical expressions like this ?
Purplemath.com states this can't be reduced any further. But why can't it ?
3/(2 + sq root 2)
Their final answer is:
6 - 3(sq root 2)/2
The 6 can reduce to 3 and the 2 to a 1.
Giving final answer of:
3 - 3(sq root 2)

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