Question

If the tangent to the curve, y = x³ + ax – b at the point (1, –5) is perpendicular to the line, –x + y + 4 = 0, then which one of the following, points lies on the curve?
(A) (2, –2) (B) (–2, 2)
(C) (–2, 1) (D) (2, –1)

Answer 1

Answer:

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