By using properties of determinants show that'

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asked Jan 16, 2018 in Mathematics by sforrest072 (157,439 points) 61 410 949

By using properties of determinants, show that:

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answered Jan 16, 2018 by mdsamim (213,225 points) 5 10 15
selected Jan 16, 2018 by sforrest072
 
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Applying R2 → R2 − R1 and R3 → R3 − R1, we have:

Applying R3 → R3 + R2, we have:

Hence, the given result is proved.

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