Write the following as complex numbers : minus b plus square root of minus 4 a c end root space left parenthesis a comma c space greater than 0 right parenthesis

Asked by Topperlearning User | 8th Aug, 2014, 10:41: AM

Expert Answer:

minus b plus square root of minus 4 a c end root space left parenthesis a comma c space greater than 0 right parenthesis
equals minus b plus square root of 4 a c end root cross times square root of minus 1 end root
equals minus b plus i square root of 4 a c end root
equals minus b plus 2 i square root of a c end root

Answered by  | 8th Aug, 2014, 12:41: PM