The domain of the function f(x)=1/(sqrt(...

The domain of the function `f(x)=1/(sqrt(4x-|x^2-10 x+9|)` is (a) `(7-sqrt(40),7+sqrt(40))` (b) `(0,7+sqrt(40))` (c)`(7-sqrt(40),oo)` (d) none of these

A

`(7-sqrt(40),7+sqrt(40))`

B

`(0,7+sqrt(40))`

C

`(7-sqrt(40),infty)`

D

None of these

Verified by Experts

The correct Answer is:

D

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