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If f(x)=(x+3)/(5x^2+x-1) and g(x)=(2x+3x...

If `f(x)=(x+3)/(5x^2+x-1)` and `g(x)=(2x+3x^2)/(20+2x-x^2)` such that `f(x)` and `g(x)` are differentiable functions in their domains, then which of the following is/are true (a) `2f^(prime)(2)+g^(prime)(1)=0` (b) `2f^(prime)(2)-g^(prime)(1)=0` (c) `f^(prime)(1)+2g^(prime)(2)=0` (d) `f^(prime)(1)-2g^(prime)(2)=0`

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