MCQMediumJEE Main 2023 · 30 January, Shift 1Applications of Derivatives (Monotonicity, Extrema)

Mathematics Question from JEE Main 2023 · 30 January, Shift 1

The number of points on the curve y=54x5135x470x3+180x2+210xy = 54x^5 - 135x^4 - 70x^3 + 180x^2 + 210x at which the normal lines are parallel to x+90y+2=0x + 90y + 2 = 0 is:

  • A

    22

  • B

    33

  • C

    44

  • D

    00

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