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Math Help - Algebra + fractions

  1. #1
    EAT
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    Algebra + fractions

    WOW this forum is great just what ive been looking for.
    Ive recently decided to do Electrical Engineering and ive found maths really hard since i have not done any bridging maths to help me with this =(


    Anyway to the question, can anyone help me to solve this or direct me to a website that explains how to work with fractions.

    (√x)
    x-

    Thanks in advance =))
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  2. #2
    Like a stone-audioslave ADARSH's Avatar
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    Quote Originally Posted by EAT View Post
    WOW this forum is great just what ive been looking for.
    Ive recently decided to do Electrical Engineering and ive found maths really hard since i have not done any bridging maths to help me with this =(


    Anyway to the question, can anyone help me to solve this or direct me to a website that explains how to work with fractions.

    (√x)
    x-

    Thanks in advance =))
    \frac{a^{b}}{a^{c}} = a^{b-c}
    ------------------------------------------------------------------
    \sqrt{x}^3 = x^{3/2}

    So \frac{x^{3/2}}{x^{-2}} = x^{ 3/2- (- 2)}  = x^{ 7/2}
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  3. #3
    EAT
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    Hi thanks for the reply do you mind explaining how you got
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  4. #4
    Like a stone-audioslave ADARSH's Avatar
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    Quote Originally Posted by EAT View Post
    Hi thanks for the reply do you mind explaining how you got
    \sqrt(x) = x^{1/2}

    (x^a)^b = x^{ab}
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  5. #5
    EAT
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    ahhh right thanks for that =D
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  6. #6
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    Quote Originally Posted by EAT View Post
    Hi thanks for the reply do you mind explaining how you got
    To learn about fractional exponents, try here.
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