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Question
Let A=⎡⎢⎣−123⎤⎥⎦ and B=[−2−1−4]
Let K=1 in matrix A then (AB)′ equals to
Let A=⎡⎢⎣−123⎤⎥⎦ and B=[−2−1−4]
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Solution
The correct option is A ⎡⎢⎣2−4−61−2−34−8−12⎤⎥⎦
Here, A=⎡⎢⎣−123⎤⎥⎦,B=[−2−1−4]
AB=⎡⎢⎣214−4−2−8−6−3−12⎤⎥⎦
(AB)′=⎡⎢⎣2−4−61−2−34−8−12⎤⎥⎦
Here, A=⎡⎢⎣−123⎤⎥⎦,B=[−2−1−4]
AB=⎡⎢⎣214−4−2−8−6−3−12⎤⎥⎦
(AB)′=⎡⎢⎣2−4−61−2−34−8−12⎤⎥⎦
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