the straight line kx+y=4 touches the parabola y=x-x^2, if k= - Maths - Conic Sections

Question

the straight line kx+y=4 touches the parabola y=x-x^2, if
k=?

Keshav Sharma · Answer

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the straight line kx+y=4 touches the parabola y=x-x^2, if k=?