( begin array l A= left( begin array rr 1 & i -i & 1 end array right), B= left( begin array rr i & -i -i & i end array right) এবং i=-1 হলে, A B এর মান কোনটি? end array )

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Accepted Answer

( left( begin array rr 1+i & -1-i 1-i & -1+i end array right) )

Answer

( left( begin array rr -1 & i -i & -1 end array right) )

Answer

( left( begin array rr -i & -1 -1 & i end array right) )

Answer

( left( begin array ll 1-i & -1+i 1+i & -1-i end array right) )