simplify: sqrt 2/7

a) sqrt (7)
b) 2
c) sqrt (2)
d) sqrt (14) / 7

2 answers

√2/7 cannot be simplified, so none of the answers fit.

Unless you meant √(2/7)
which would be
√2/√7
=√2/√7 * √7/√7
= √14/7 which would be d)
thanks reiny