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Thread: I have a differentiation problem that i cannot solve. Please help!!

  1. #1

    Post I have a differentiation problem that i cannot solve. Please help!!

    The question goes like this,

    Find the coordinates of the point on the graph of y= x^2-x at which tangent is parallel to the line y= 5x.

  2. #2
    Elite Member
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    Quote Originally Posted by prabriti26 View Post
    The question goes like this,

    Find the coordinates of the point on the graph of y= x^2-x at which tangent is parallel to the line y= 5x.
    Hint:

    What is the slope of the tangent line to a curve at a given point (x1,y1)? What is the equation of this line?

    What are your thoughts?

    Please share your work with us ...even if youknow it is wrong

    If you are stuck at the beginning tell us and we'll start with the definitions.

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    “... mathematics is only the art of saying the same thing in different words” - B. Russell

  3. #3
    Senior Member
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    Quote Originally Posted by prabriti26 View Post
    The question goes like this,

    Find the coordinates of the point on the graph of y= x^2-x at which tangent is parallel to the line y= 5x.
    You need to not only know how to compute derivatives in calculus but you need to know what a derivative means. Please tell us what information you get when you take a derivative of some function and then we will be able to help you better if you still need help. Also draw a picture of what is going on.
    A mathematician is a blind man in a dark room looking for a black cat which isn’t there. - Charles R. Darwin

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