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Math Help - If ... Calculate

  1. #1
    Super Member dhiab's Avatar
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    If ... Calculate

    If :  f(x)=x^{(x+1)}\times (x+2)x^{(x+3)}
    Calculate : f(0)-f(-1)+f(-2)-f(-3)
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  2. #2
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    Quote Originally Posted by dhiab View Post
    If :  f(x)=x^{(x+1)}\times (x+2)x^{(x+3)}
    Calculate : f(0)-f(-1)+f(-2)-f(-3)
    x^{x+1}x^{x+3}=x^{x+1+x+3}=x^{2x+4}

    x^{2x+4}(x+2)=x^{2x+4}x+2x^{2x+4}=x^{2x+4+1}+2x^{2  x+4}=x^{2x+5}+2x^{2x+4}
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  3. #3
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    Suggestion

    I think natural logs will help you out.
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  4. #4
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    Quote Originally Posted by wonderboy1953 View Post
    I think natural logs will help you out.
    Why not just plug in the values?

    0^4=0
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