A) \[\text{a }=\text{2},\text{ b}=-\text{ 1}\]
B) \[\text{a }=\text{2},\text{ b}=-\text{ 1}\]
C) \[\text{a }=\text{ }-\text{ 2},\text{ b }=\text{ 1}\]
D) \[~\text{a }=\text{ }-\text{ 2},\text{ b }=\text{ }-\text{ 1}\]
Correct Answer: A
Solution :
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