Question Number 32409 by saru53424@gmail.com last updated on 24/Mar/18
Answered by rahul 19 last updated on 24/Mar/18
$${option}\:\mathrm{2}−\mathrm{3}. \\ $$$${x}^{\mathrm{3}} −\mathrm{4}{x}^{\mathrm{2}} −{x}+\mathrm{4}=\:\left({x}−\mathrm{1}\right)\left({x}^{\mathrm{2}} −\mathrm{3}{x}−\mathrm{4}\right) \\ $$$$\Rightarrow\:\underset{{x}\rightarrow\mathrm{4}} {{L}}\underset{} {{t}}=\:{x}−\mathrm{1}\: \\ $$$$\Rightarrow\mathrm{4}−\mathrm{1}=\mathrm{3}\bigstar \\ $$