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March 25, 2017

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how do you find the derivative of (X^2(2+x^1/2))/x^4.

I'm confused because of the exponents rules. please show me the steps in simplifying the exponents then taking the derivative.

  • calculus - ,

    First lets break it up into terms that can be differentiated separately.

    (x^2(2+x^1/2))/x^4
    =[2x^2 + x^(5/2)]/x^4
    = 2x^-2 + x^(-3/2)
    Now use the x^n exponent derivative rule

    df/dx = -4x^-3 -(3/2)x^(-5/2)

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