If A = d i a g ( 2 , 3 , 5 ) and B = d i a g ( 7 , 0 , − 4 ) , then A B is
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A=(2,3,5,) B=( 7,0,-4)
2×(7,0,-4) 3× (7,0,-4) 5× (7,0,-4)
Ans-70,0,-40
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