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## QuestionMathsClass 11

If the line $$lx+my+n=0$$ cuts the ellipse $$\left(\frac{{x}^{2}}{{a}^{2}}\right)+\left(\frac{{y}^{2}}{{b}^{2}}\right)=1$$ at points whose eccentric angles differ by $$\frac{\pi }{2}$$, then find the value of $$\frac{{a}^{2}{l}^{2}+{b}^{2}{m}^{2}}{{n}^{2}}$$.

See solution below
4.6
4.6