If | array ccc 6 i & -3 i & 1 4 & 3 i & -1 20 & 3 & i array |=x+i y, then
Mathematics · JEE Advanced · NTA Exams — Complex Numbers and Quadratic Equations
If \[\left|\begin{array}{ccc}
6 i & -3 i & 1 \\
4 & 3 i & -1 \\
20 & 3 & i
\end{array}\right|=x+i y,\] then
- x = 3, y = 1
- x = 1, y = 3
- x = 0, y = 3
- x = 0, y = 0
Answer
(C) x = 0, y = 3
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