A) \[mn=a{{l}^{2}}\]
B) \[lm=a{{n}^{2}}\]
C) \[ln=a{{m}^{2}}\]
D) \[mn=al\]
Correct Answer: C
Solution :
\[y=-\frac{l}{m}x-\frac{n}{m}\] Condition for above line to be tangent to \[{{y}^{2}}=4ax\] is \[-\frac{n}{m}=\frac{am}{-l}\]or \[nl=a{{m}^{2}}\].
You need to login to perform this action.
You will be redirected in
3 sec
