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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 |
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Answer» 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 |
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