A) \[ps=qr\]
B) \[ps+qr=0\]
C) \[pq-rs=0\]
D) \[pq+rs=0\]
Correct Answer: A
Solution :
\[px+q=0\] and \[rx+s=0\] \[\Rightarrow \] \[x=\frac{-\,\,q}{p}\] and \[x=\frac{-\,\,s}{r}\] So, \[\frac{-\,\,q}{p}=\frac{-\,\,s}{r}\]\[\Rightarrow \]\[ps=qr\]You need to login to perform this action.
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