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$W(4d^2 (1-x^2)^2) = abc^3x \sqrt{(\pi^2 (i-x^2)^2 + 16 x^2) }$

I have to find x ,i have the values of all other constants , I tried to separate it using partial fraction but I am stuck. a=3 b=4 c=7 d=9 w=19

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    I'm just curious: what's the value of $\mathrm{pie}$?2012-02-22
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    @user1067252, I edited you question. Is that how the equation should look like?2012-02-22
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    Assuming that W is not a special function, you may want to consider the value of $x$ that makes $(\pi^2 (i-x^2)^2 + 16 x^2) >= 0$. This may give you a start.2012-02-22

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