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Mako
Lv 7
Mako asked in Science & MathematicsMathematics · 8 years ago

Find power series representation for the function?

Find a power series representation for the function f(x) = 3x/(3x^2 +1)

I'm getting the sum of 3 * (-3)^n * x^(2n+1) but that seems to be wrong?

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  • GusBsAs
    Lv 6
    8 years ago
    Favorite Answer

    Your result is ok, could be written

    ∑(n=0 to ∞) (-1)ⁿ 3ⁿ⁺¹ x²ⁿ⁺¹

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