If x=(sqrt(a+2b)+sqrt(a-2b))/(sqrt(a+2b)...

If `x=(sqrt(a+2b)+sqrt(a-2b))/(sqrt(a+2b) -sqrt(a-2b))`
then `bx^(2)-ax+b` is equal to (given that `b ne 0`)

A

0

B

1

C

ab

D

2ab

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