यदि \( f(x+y)=f(x) f(y), \forall x, y \in R, f(5)=2 \) तथा \( f^{\prime}(0)=3 \) हो, तो \( f^{\p... VIDEO
यदि \( f(x+y)=f(x) f(y), \forall x, y \in R, f(5)=2 \) तथा \( f^{\prime}(0)=3 \) हो, तो \( f^{\prime}(5) \) का मान है
(A) 6
(B) 4
(C) 5
(D) 3
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