09/04/05 20:25:52
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Problem 2.
Let a1 ~ a5 be real numbers satisfying the following equations:
a_1/(1+k^2) + a_2/(2+k^2) + a_3/(3+k^2) + a_4/(4+k^2) + a_5/(5+k^2) = 1/(k^2),
for k=1 ~ 5. Find the value of
a_1/37 + a_2/38 + a_3/39 + a_4/40 + a_5/41,
(Express the value in a single fraction.)
スレリンク(math板:850-851番)
不等式スレ3