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Prove that : |{:(1+a, 1,1),(1,1+b,1),(1,...

Prove that : `|{:(1+a, 1,1),(1,1+b,1),(1,1,1+c):}| =abc (1+1/a + 1/b + 1/c)`

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The correct Answer is:
(i) N/A
(ii) `log a/b`
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