Let f(x)=xxf(x) = x^xf(x)=xx for x>0x > 0x>0. Determine the value of f′′(1)f''(1)f′′(1).
f′′(1)=0f''(1) = 0f′′(1)=0
f′′(1)=1f''(1) = 1f′′(1)=1
f′′(1)=2f''(1) = 2f′′(1)=2
f′′(1)=−1f''(1) = -1f′′(1)=−1