A) -7
B) -4
C) 5
D) 1
Correct Answer: A
Solution :
\[\underset{x\to 1}{\mathop{\lim }}\,\frac{{{x}^{2}}-ax+b}{x-1}=5\] \[1-a+b=0\] ?(i) \[2-a=5\] ?(ii) \[\Rightarrow a+b=-7.\]You need to login to perform this action.
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