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Let f be a function satisfying of xdot T...

Let `f` be a function satisfying of `xdot` Then `f(x y)=(f(x))/y` for all positive real numbers `xa n dydot` If `f(30)=20 ,` then find the value of `f(40)dot`

A

15

B

20

C

40

D

60

Text Solution

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The correct Answer is:
A
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