1.

If the tangent to the parabola y2 = x at a point (α, β), (β > 0) is also a tangent to the ellipse x2 + 2y2 = 1, then α is equal to:

A. \(\sqrt 2 - 1\)
B. \(2\sqrt 2 - 1\)
C. \(2\sqrt 2 + 1\)
D. \(\sqrt 2 + 1\)
Answer» E.


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