Please help with this question.
Simplify ( sqrt[20] / 5 ) - ( 1 / sqrt[5] )
I've tried it a few times but end up with 5a sqrt15 over 5.
Is this right or can it not be simplified?
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Edited by stapel -- Reason for edit: fixing formatting
Simplify ( sqrt[20] / 5 ) - ( 1 / sqrt[5] )
I've tried it a few times but end up with 5a sqrt15 over 5.
Is this right or can it not be simplified?
____________________________
Edited by stapel -- Reason for edit: fixing formatting