If the  line  lx+my +n=0  touches the  ellipse  `(x^(2))/(a^(2))+(y^(2))/(b^(2))=1`  then
Channel: Doubtnut
Date: 17/05/2020

If the  line  lx+my +n=0  touches the  ellipse  `(x^(2))/(a^(2))+(y^(2))/(b^(2))=1`  then