JEE MAIN - Mathematics Bengali (2022 - 25th June Evening Shift - No. 15)
ধরো $$A = \left( {\matrix{
2 & { - 2} \cr
1 & { - 1} \cr
} } \right)$$ এবং $$B = \left( {\matrix{
{ - 1} & 2 \cr
{ - 1} & 2 \cr
} } \right)$$ তবে নিচের সেটটিতে পদের সংখ্যা
$$\left\{ {\left( {n,\,m} \right)} \right.\,:\,n,\,m \in \,\left\{ {1,2,.......,10} \right\}$$ and $$n{A^n} + m{B^m} = I\,\} $$ হল _________ ।
$$\left\{ {\left( {n,\,m} \right)} \right.\,:\,n,\,m \in \,\left\{ {1,2,.......,10} \right\}$$ and $$n{A^n} + m{B^m} = I\,\} $$ হল _________ ।
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