Prove the following identities:
Applying, R1→a R1, R2→b R2, R3→c R3
Hence, proved.
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6. Determinants
1
1
1
1
1
1
1
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12
1
1
1
1
1
1
1
1
2
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2
2
2
2
2
2
2
2
2
2
2
2
2
2
3
4
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53
54
1
1
1
1
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2
2
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13
1
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32
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1
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56
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