question_answer

If p, q and r are unequal natural numbers such that\[{{p}^{2}}=qr\], then consider the following:

[a] \[\frac{p+r}{r}=\frac{q+p}{p}\]

[b] \[\frac{p}{r-p}=\frac{q}{p-q}\]

[c] \[\frac{p+r}{r-p}=\frac{q+p}{p-q}\]

Which of the above are correct?

A) 1 and 2 only   

B) 2 and 3 only

C) 1 and 3 only   

D)        1,2 and 3