Recent content by dvmckay23

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    Derivative of a square root fraction.

    I need help finding the derivative of the following equation. This may look a little messy because it involves a square root and a fraction. y = square root of: 1 + x2 / 3 + 3 - x / 5 My first thought is to change the equation to look like this: y = (1 + x2)1/2 / 3 + 3 - x / 5...
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    This is probably a stupid question basic equation laws

    Okay, so say I have an equation that looks like this: 9y - 4x + 5 = 0 and I wan to move every thing but the y over to the right hand side. When it gets to the last step and looks like this: 9y = 4x - 5 When I move 9 over to the other side, does it's sign change? I know the other...
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    Finite Differences & Leading Coefficients Relation

    Homework Statement Determine the relation that exists between the nth finite difference and the leading coefficient. Homework Equations ... I'm not too sure how to html it up properly, but the numbers/"n"s following the "a"s are meant to be sub-script: f(x) = anx^n + an-1x^n-1 + ... + a2x^2 +...
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