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The tangent two curve y=ax 3 + bx 2 + cx is inclined at 45 o to x-axis at (0,0) but it touches x-axis at (1,0), then (a,b,c) is (A) (1,-2,1) (B) (1,1,-2) (C) (-2,1,1) (D) (-1,2,1)

The tangent two curve y=ax3 + bx2 + cx is inclined at 45o to x-axis at (0,0) but it touches x-axis at (1,0), then (a,b,c) is
 
(A) (1,-2,1)             (B) (1,1,-2)
(C) (-2,1,1)             (D) (-1,2,1)

Grade:12th pass

1 Answers

Saurabh Koranglekar
askIITians Faculty 10335 Points
4 years ago
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