If for non-zero x, a. f (x) + b . f ((1)...

If for non-zero `x, a. f (x) + b . f ((1)/(x)) =1/x-5,` where ` a ne b, ` then `f (2) =`

A

1) `(2 (2b+ 3a))/(2 (a ^(2) -b ^(2)))`

B

2) `(3 (2b- 3a))/(2 (a ^(2) -b ^(2)))`

C

3) `(3 (3a- 2a))/(a (a ^(2) -b ^(2)))`

D

4) `(6)/(a +b)`

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The correct Answer is:

B

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