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Question

The equation of the normal to the curve \(y = 4x^3 + 2 \sin(x)\) at \((0, 3)\)

\(y = 4x^3 + 2 \sin(x)\) at \( (0, 3) \)

The correct answer is
x+ 2y=6

Given curve is

\( y = 4x^3 + 2 \sin(x) \) at \( (0, 3) \)

\( \frac{dy}{dx} = 12x^2 + 2 \cos(x) \)

Slope tangent at \( (0, 3) \) is 2

So, slope of normal is \( -\frac{1}{2} \)

Equation of normal is

\( y - 3 = -\frac{1}{2}(x - 0) \)

\( 2y - 6 = -x \)

\( x + 2y = 6 \)

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Important Questions from Mixed Topics (CUET-UG)

  1. The area of the region bounded by y=|x-5|, x=0 and x=1 is:
  2. Match List – I with List – II.

    List - I

    Differential equation

    List - II

    Integrating Factor (I.F.)

    (A)\(\frac{dy}{dx} - \frac{y}{x} = 2x\)(I)\(x^{2} - 1\)
    (B)\(\frac{dy}{dx} + \left( \frac{2x}{x^2 - 1} \right) y = \frac{2}{(x^2 - 1)^2}\)(II)\(\sqrt{ x^{2}-1 }\)
    (C)\(\frac{dy}{dx} - \big( \frac{x}{1- x^{2} } )y= \frac{1}{ 1-x^{2} }\)(III)\(\frac{1}{x}\)
    (D)\(\frac{dy}{dx} + \frac{y}{1 + x^2} =  \frac{cotx}{1+ x^{2} }\)(IV)\(1+ x^{2}\)

    Choose the correct answer from the options given below:

  3. Which of the following statement is incorrect?

  4. Which of the following statement is TRUE?

  5. Which of the following statement is correct?

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