LegendreQ[6, 4, 3, z] == (1/(4 (z^2 - 1)^2)) (3 (-4490 z + 21480 z^3 - 36036 z^5 + 26040 z^7 - 6930 z^9 + 315 (-1 + z^2)^4 (-1 + 11 z^2) (Log[z + 1] - Log[z - 1])))

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2001-10-29