(2x^3-(1/x^1/2))^7展开常数项是
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(2x^3-(1/x^1/2))^7展开常数项是
(2x^3-(1/x^1/2))^7展开常数项是
(2x^3-(1/x^1/2))^7展开常数项是
=﹛(2x^7/2-1)/(x^1/2﹚﹜^7
所以常数项为2×C7=14
(2x^3-(1/x^1/2))^7展开常数项是
(2x^3-(1/x^1/2))^7展开常数项是
(2x^3-(1/x^1/2))^7展开常数项是
=﹛(2x^7/2-1)/(x^1/2﹚﹜^7
所以常数项为2×C7=14