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The slope of the curve 2y^2=a x^2+ba t(1...

The slope of the curve `2y^2=a x^2+ba t(1,-1)` is `-1` Find `a , b`

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RD SHARMA ENGLISH-TANGENTS AND NORMALS-All Questions
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  8. Show that the curves x y=a^2a n dx^2+y^2=2a^2 touch each other

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