How do I prove that if x1,…,xn are positive real numbers, then
1≤x1x2⋯xn implies that 2n≤(1+x1)(1+x2)⋯(1+xn).
I attempted a proof by induction but am not able to nail the inductive step. Any help would be appreciated!
How do I prove that if x1,…,xn are positive real numbers, then
1≤x1x2⋯xn implies that 2n≤(1+x1)(1+x2)⋯(1+xn).
I attempted a proof by induction but am not able to nail the inductive step. Any help would be appreciated!
I have injection f:A→B and I want to get bijection. Can I just resting codomain to f(A)? I know that every function i...
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