log(x) function defined in math.h header file is

1.	log(x) function defined in math.h header file is
A.	Natural base logarithm
B.	Logarithm to the base 2
C.	Logarithm to the base 10
D.	None of the mentioned
Answer» B. Logarithm to the base 2

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log(x) function defined in math.h header file is

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