A) \[\frac{1}{2}\]
B) \[1\]
C) \[2\]
D) \[\frac{7}{2}\]
Correct Answer: C
Solution :
Given \[\left( \frac{a}{b} \right)x\,\,\,\,\,\,1=\left( \frac{b}{a} \right)x\,\,\,\,\,3\] \[\Rightarrow \] \[\left( \frac{a}{b} \right)x\,\,\,\,\,1=\left( \frac{a}{b} \right)\,\,\,(x\,\,\,\,3)\] \[\Rightarrow \] \[x-1=3-x\] \[\Rightarrow \] \[2x=4\] \[\Rightarrow \] \[x=2\]You need to login to perform this action.
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