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1加i的絕對值為啥等于根号下2
1加i的絕對值為啥等于根号下2
更新时间:2025-01-20 19:59:12

  1、複數的模|1+i|= √1^2+1^2=√2。

  2、主要考查非負數的性質以及立方根,根據被開方數大于等于0,分母不等于0列式求出x的取值範圍,再根據非負數的性質列式求出x、y的值,然後代入代數式進行計算,再根據立方根的定義解答。

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