write the expression in the form bi,where b is a real number.sqau_英语解答

write the expression in the form bi,where b is a real number.sqaure root of -7 sqaure root of -19

人气：334 ℃　时间：2020-06-13 07:52:30

解答

+sqrt(7)i or -sqrt(7)i
+sqrt(19)i or -sqrt(19)i