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yasmin95

  • 3 years ago

differentiate in respect to x x^2/x-1 @mark_o.

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  1. mark_o.
    • 3 years ago
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    v Du - u Dv use the formula D(u/v)= ---------------- v^2

  2. yasmin95
    • 3 years ago
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    yeah i did lol but i think i stuffed something up, can you please solve it for me

  3. mark_o.
    • 3 years ago
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    let u=x^2, u= x-1, then (x-1)2x - x^2 ----------------- (x-1)^2 can you continue that pls...

  4. mark_o.
    • 3 years ago
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    im sorry v=x-1, u=x^2

  5. mark_o.
    • 3 years ago
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    @sirm3d, do you have something to help yasmin plzz? you can go ahead and reply ... :D

  6. sirm3d
    • 3 years ago
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    \[\large v=x-1\\\large Dv = 1 - 0 = 1\\\large u=x^2\\\large Du=2x\] just sub the expressions u, Du, v, and Dv in \[\large D\left(\frac{u}{v}\right)=\frac{v Du - u Dv}{v^2}\] as given by @mark_o.

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