If 3f(x)+5f(1/x)=1/x-3 for all non-zero...

If `3f(x)+5f(1/x)=1/x-3` for all non-zero `x` , then `f(x)=` (a)`1/(16)(3/x+5x-6)` (b) `1/(16)(-3/x+5x-6)` (c) `1/(16)(-3/x+5x+6)` (d) none of these

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