A) \[pqr\]
B) \[\frac{pq}{r}\]
C) \[\frac{p}{qr}\]
D) \[\frac{q}{pr}\]
Correct Answer: A
Solution :
[a] \[\frac{x}{pq}+\frac{x}{qr}+\frac{x}{pr}=p+q+r\] \[x\left( \frac{r+p+q}{pqr} \right)=p+q+r\] \[\therefore \,\,\,\,x=pqr\]You need to login to perform this action.
You will be redirected in
3 sec