1.

A line \[lx+my+n=0\]meets the circle \[{{x}^{2}}+{{y}^{2}}={{a}^{2}}\]at the points P and Q. The tangents drawn at the points P and Q meet at R, then the coordinates of R is

A.            \[\left( \frac{{{a}^{2}}l}{n},\frac{{{a}^{2}}m}{n} \right)\]
B.            \[\left( \frac{-{{a}^{2}}l}{n},\frac{-{{a}^{2}}m}{n} \right)\]
C.            \[\left( \frac{{{a}^{2}}n}{l},\frac{{{a}^{2}}n}{m} \right)\]
D.            None of these
Answer» C.            \[\left( \frac{{{a}^{2}}n}{l},\frac{{{a}^{2}}n}{m} \right)\]


Discussion

No Comment Found

Related MCQs