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If f(x)=x^(2) and g(x)=2x , then evaluat...

If `f(x)=x^(2) and g(x)=2x` , then evaluate,
(i) `(f+g)(3)" "(ii) (f-g)(2)`
(iii) `(f*g)(1)" "(iv) ((f)/(g))(5)`

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