JEE Main 9 Apr 2019 Paper 1 Solved Paper

Section: Mathematics

Question : 78 of 90

Marks: +1, -0

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?

[9 Apr 2019 Shift 1]

( 2, - 1 )
( - 2, 2 )
( 2, - 2 )
( - 2,1 )

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