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Let f:RtoR and g:RtoR both differentiabl...

Let `f:RtoR` and `g:RtoR` both differentiable function such that `f(1)=1,f'(2)=4, g'(1)=-3,g'(2)=4`. If `f` is an odd function and `g` is an even function, then value of
`f(0)+g'(0)+g'(-1)+f'(2)` is equal to

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