If A, B, C, And Dare Real Numbers, If I Is The Imaginary Unit, And If (a+ Bi) (c + Di) Is A Real Number, Which Of The Following Statements Must Be True?
Madhumita
4 Years Ago
If a, b, c, and dare real numbers, if i is the imaginary unit, and if (a+ bi) (c + di) is a real number, which of the following statements must be true?
(A) ac=bd
(B) ad=bc
(C) ac+ bd= O
(D) ad+bc=O
asked Jun 10 12:00:00 AM
Madhumita
Q: 339
A: 0
