if U 1 , U 2 and U 3 are columns matrices satisfying and U is 3 × 3 matrix when columns…
Mathematics · JEE Advanced · NTA Exams — Matrices and Determinants
if U1, U2 and U3 are columns matrices satisfying
and U is 3 × 3 matrix when columns are U1, U2, U3 then answer the following questions.
The value of \[\left[\begin{array}{lll} 3 & 2 & 0 \end{array}\right] U\left[\begin{array}{l} 3 \\ 2 \\ 0 \end{array}\right]\] is
- 5
- 5/2
- 4
- 3/2 .
Answer
(A) 5
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