[理工] Legendre polynomial
我想請問一下:
1
1 2 n 2n 2 n
________ ∫ (x - 1) D [(x - 1) ]dx
n 2
(2 n!) -1
是如何變成
n 1
(-1 )(2n)! 2 n
---------> ____________ ∫ (x - 1) dx
2 2
(2 n!) -1
想了很久還是想不出來 麻煩神手賜教
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