1.

If f(xy)=f(x)f(y) for all x,y∈R,y≠0 and f′(x) exists for all x,f(2)=4. Then the value of f(5) is

Answer»

If f(xy)=f(x)f(y) for all x,yR,y0 and f(x) exists for all x,f(2)=4. Then the value of f(5) is



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