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Mathematics 19 Online
OpenStudy (anonymous):

I Today, 8:16 pm • # 1 I am not sure how to begin the following proof using induction. If a,b,c >1, prove that 4(abc + 1) >= (1+a)(1+b)(1+c). The hint from the book is to prove this problem in a general format for 2^( n – 1) (a1a2 …an + 1)(1+a1)(1+a2)…( 1+an).

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