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The straight line x + y = k touches the parabola y = x – x2, if k

The straight line x + y = k touches the parabola
y = x – x2, if k

Grade:11

1 Answers

Vijay Mukati
askIITians Faculty 2590 Points
5 years ago
Dear Student,

Calcuate y from given equation of line and put it in the equation of parabola.
Noiw since the line touches that means the D = 0 for the quadratic equaiton.
Hence you will get k = 1.

Thanks.

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