calc a

posted by .

derivative of;

  • calc a -

    use the product rule

  • calc a -

    i got (1+x^2)^2(2cos(2x)+sin(2x)(4x(1+x^2)

    is that right?

  • calc a -

    yes, correct

    you might want to consider factoring it a bit more
    (I see 2(1+x^2) as a common factor)

  • calc a -

    thanks you so much. that really helped alot

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Calc

    Find the derivative of a) y=cos (x/2) b) yx-3x^2 +6 = y^4 + x a) -sin (x/2)(2+x)/2^2 -sin(x/2)(x/2) b) x dy/dx + y - 6x = 4y^3 dy/dx + 3x^2 dy/dx (x -4 y^3) = 3x^2 -y +6x dy/dx = (3x^2 -y +6x)/(x -4 y^3) I used inplicit differation …
  2. Calc

    What is the derivative of 4^[sin(pi*x)]? And how do you go about solving it?
  3. calc

    i did this problem and it isn't working out, so i think i'm either making a dumb mistake or misunderstanding what it's asking. A particle moves along the x axis so that its velocity at any time t greater than or equal to 0 is given …
  4. calculus

    Could someone check my reasoning? thanx Find the derivative of the function. sin(sin[sinx]) I need to use the chain rule to solve. So I take the derivative sin(sin[sinx) first. Then multiply that by the inside which is the derivative
  5. AP CALC

    derivative of y= x^2 sin x
  6. Calculus 12th grade (double check my work please)

    1.)Find dy/dx when y= Ln (sinh 2x) my answer >> 2coth 2x. 2.)Find dy/dx when sinh 3y=cos 2x A.-2 sin 2x B.-2 sin 2x / sinh 3y C.-2/3tan (2x/3y) D.-2sin2x / 3 cosh 3yz...>> my answer. 2).Find the derivative of y=cos(x^2) …
  7. AP Calc

    How do you find the derivative of y=sin(x)*(sinx+cosx)
  8. Calc

    find the derivative f(x)= e^-3x x sin(4x)
  9. Derivative

    Can you help me find the derivative of y= cos(x)/1+sin(x).. the / is a fraction bar. I have a hard time finding trig derivatives because I don't really know what the derivative of cos,sin ,or tan would be honestly.
  10. Math - Calc/Algebra/Trig

    I'm trying to find all the points on the graph y=4/3cos^3x-cosx where the tangent line is horizontal. I took the derivative, which gave me: -4cos^2(x)sin(x)+sin(x) Now I need to solve it for x and I'm not sure how. Can you help?

More Similar Questions