Application of DerivativeHard

Question

The maximum distance of the point (k, 0) from the curve 2x2 + y2 - 2x = 0 is equal to

Options

A.
B.
C.
D.

Solution

Let d be distance between (k, 0)
and any point (x, y) on curve.
d =
d =      (∵ y2 = 2x - 2x2).
Maximum d =
Maximum d =

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