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The value of f"(x) at x = 1 for the function f(x) = x $ℓ$ n x is

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detailed solution

Correct option is C

f′(x)=xx+(ℓnx)=1+ℓnxf′′(x)=1x

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The value of f"(x) at x = 1 for the function f(x) = x ℓn x is

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The value of f"(x) at x = 1 for the function f(x) = x $ℓ$ n x is