Скачать или смотреть If y=cosh(sin^1x), prove that (1-x^2)y_2-xy_1-y=0, (1-x^2)y_(n+2)-(2n+1)xy_(n+1)=(n^2+1)y_n .

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If y=cosh(sin^1x), prove that (1-x^2)y_2-xy_1-y=0, (1-x^2)y_(n+2)-(2n+1)xy_(n+1)=(n^2+1)y_n , also find the value of (y_n)_0.

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