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Prove that the curves x=y^2 and xy=k cut...

Prove that the curves `x=y^2` and `xy=k` cut at right angles* if `8k^2 =1`

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PSEB-APPLICATION OF DERIVATIVES-Exercise
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  3. Prove that the curves x=y^2 and xy=k cut at right angles* if 8k^2 =1

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  4. Find the equations of the tangent and normal to the hyperbola x^2/a^2 ...

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  7. The line y = x+1, is a tangent to the curve y^2 = 4x at the point.

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