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Evaluate: |4785, 4787 ,4789, 4791| ....

Evaluate: `|4785, 4787 ,4789, 4791|` .

Text Solution

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Given,`[[4785,4787],[4789,4791]]`
=`[[0+4785,2+4785],[4+4785,7+4785]]`
=`[[0,2],[4,6]]`+`[[4785,4785],[4785,4785]]`
=`[[0,2],[4,6]]+0`
=`-8`
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RD SHARMA-DETERMINANTS-Solved Examples And Exercises
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  2. If A=[1 2 3-1] and B=[1 0-1 0] , find |A B| .

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  3. Evaluate: |4785, 4787 ,4789, 4791| .

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  4. If A=[1 2 3-1] and =[1-4 3-2] , find |A B| .

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