Question:medium

If local maximum of $f(x) = \frac{ax+b}{(x-1)(x-4)}$ exists at $(2,-1)$, then $a+b=$

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For a local extremum at $(x_0,y_0)$: $f(x_0)=y_0$ and $f'(x_0)=0$. Use these to form equations and solve for unknowns.
Updated On: Mar 30, 2026
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The Correct Option is C

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