If A + B = [ array ll 7 & 4 8 & 9 array ] and A-B= [ array ll 1 & 2 0 & 3 array ] then…
Mathematics · JEE Main · NTA Exams — Matrices and Determinants
If A + B =\(\left[\begin{array}{ll}
7 & 4 \\
8 & 9
\end{array}\right] \text { and } A-B=\left[\begin{array}{ll}
1 & 2 \\
0 & 3
\end{array}\right]\) then the value of A is-
- \(\left[\begin{array}{ll} 3 & 1 \\ 4 & 3 \end{array}\right]\)
- \(\left[\begin{array}{ll} 4 & 3 \\ 4 & 6 \end{array}\right]\)
- \(\left[\begin{array}{ll} 6 & 2 \\ 8 & 6 \end{array}\right]\)
- \(\left[\begin{array}{ll} 7 & 6 \\ 8 & 6 \end{array}\right]\)
Answer
(B) [ array ll 4 & 3 4 & 6 array ]
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