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If A and B are matricesof …

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If A and B are matricesof order 3 and |A|=5,|B|=3, find|3AB|

    • Posted by Dewansh Narula 8 years, 1 month ago

    CBSE > Class 12 > Mathematics
    • 1 answers

    Sandhya Shree 8 years, 1 month ago

    I3ABI = 3IABI= 3IAI IBI =3*5*3 =45

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