(65^负1/2-16^2)^负1/2失误了,是 (65^2-16^2)^负1/2

来源:学生作业学帮网 编辑:学帮网 时间:2024/07/07 23:15:58

(65^负1/2-16^2)^负1/2
失误了,是 (65^2-16^2)^负1/2

(65^2-16^2)^负1/2
=(4225-256)^负1/2
=3969^负1/2
=√1/3969
=1/63