We need to prove this with mathematical induction;

r is natural number and

So if I insert r = 1 and x = -1

I get

so it's true.

Then I insert r + 1, and I get

What now? I just insert a value for x?

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- November 21st 2010, 05:18 AMNforceMathematical induction, proving inequation
We need to prove this with mathematical induction;

r is natural number and

So if I insert r = 1 and x = -1

I get

so it's true.

Then I insert r + 1, and I get

What now? I just insert a value for x? - November 21st 2010, 05:21 AMAlso sprach Zarathustra