If the tangents on the ellipse 4x2 + y2 = 8 at the points (1, 2) and (a, b) are perpendicular to each other, a2 is equal to:

If the tangents on the ellipse 4x2 + y2 = 8 at the points (1, 2) and (

1.	If the tangents on the ellipse 4x2 + y2 = 8 at the points (1, 2) and (a, b) are perpendicular to each other, a2 is equal to:
A.	\(\frac{{128}}{{17}}\)
B.	\(\frac{{64}}{{17}}\)
C.	\(\frac{4}{{17}}\)
D.	\(\frac{2}{{17}}\)
Answer» E.

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If the tangents on the ellipse 4x2 + y2 = 8 at the points (1, 2) and (a, b) are perpendicular to each other, a2 is equal to:

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