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Let f be a differentiable function such that f'(x) = 7 - \dfrac34\,\dfracf(x)x, for x>0, and f(1)\neq 4. Then \displaystyle \lim_x\to 0 x\,f\!\left(\dfrac1x\right) equals: | Watch the step-by-step video solution for this NIMCET PYQ.