MCQ
Assertion : Let $A=\left[\begin{array}{ll}2 & 3 \\ 7 & 5\end{array}\right]$ and
$B =\left[\begin{array}{cc}m-n & 6 \\ 14 & m+n\end{array}\right]$ If $2 A= B$,
then $m=7$ and $n=3$.
Reason : Two equal matrices have the same order and their corresponding elements are also equal.
$B =\left[\begin{array}{cc}m-n & 6 \\ 14 & m+n\end{array}\right]$ If $2 A= B$,
then $m=7$ and $n=3$.
Reason : Two equal matrices have the same order and their corresponding elements are also equal.
- ✓Both assertion and reason are correct and reason is the correct explanation of assertion.
- BBoth assertion and reason are correct but reason is not the correct explanation of assertion.
- CAssertion is correct but reason is incorrect.
- DAssertion is incorrect but reason is correct.
