Mathematics · 2019
JEE Main · 10 April 2019, Shift 2 · Q70
If lim_x → 1 (x^2- a x+ b)/(x-1)=5, then a + b is equal to:
If $\displaystyle \lim _{x \rightarrow 1} \frac{x^2-\mathrm{a} x+\mathrm{b}}{x-1}=5$, then $\displaystyle \mathrm{a}+\mathrm{b}$ is
equal to :
Official answer
(4)
$\displaystyle -7$
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JEE Main 2019 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.