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If the st line xcosz+ysinz=p touches the curve x^2/a^2+y^2/b^2=1 prove that a^2cos^2z+b^2sin^2z=p^2

sadananda , 9 Years ago
Grade 12th pass
anser 1 Answers
Nishant Vora
Solve the line and curve, you will get a quadratic equation for thatquadratic equation D=0

This will be the approach for solving this type of problem

Thanks
Last Activity: 9 Years ago
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