计算(1)(√a+√b)²(a≥0,b≥0)

来源:学生作业学帮网 编辑:学帮网 时间:2024/04/20 16:08:46

计算(1)(√a+√b)²(a≥0,b≥0)

(√a+√b)²
=(√a)+2(√a)(√b)+(√b)²
=a+2√(ab)+b

a+b+2根号的ab

(1)(√a+√b)²
=a+2(√a*√b)+b
=a+2√(ab)+b