Q)
Verify Rolles theorem for the following functions:
$(a) \; f(x)=x^2-5x+4\;on \;[0,4]\\
(b) \; f(x)=x(x-1)^2\;on \;[0,1]\\
(c) \; f(x)=x^3-7x^2+16x-12 \;on \;[2,3]\\
(d) \; f(x)=e^x(\sin x- \cos x)\;on \;[\large\frac{\pi}{4},\frac{5 \pi}{4} ] $
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