JEE Main2019Math
Q.
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 curve?
- A
(–2, 1)
- B
(2, –2)
- C
(2, –1)
- D
(–2, 2)
Solution
