展开 (2(x+1))!

解答

展开

(2 (x + 1))!

(2 x + 2)!

求解步骤

(2 (x + 1))!

乘开

2 (x + 1) : 2 x + 2

= (2 x + 2)!

e x p an d (2 + sin (θ))^{2}

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