A) 1
B) 2
C) 3
D) 4
Correct Answer: B
Solution :
[b] Common solution of \[x=1\] and \[y=2\] is \[(1,2)\]. |
\[\Rightarrow \,\,\,\,\,\,\,\,\,\,a\times 1+2\times 2-6=0\] |
\[\Rightarrow \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,a=2\] |
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