(1) Why is (r+1)r!=(r+1)! (2)This is commonly asked : why is 0! =1 ??
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Originally Posted by mathaddict (1) Why is (r+1)r!=(r+1)! (2)This is commonly asked : why is 0! =1 ?? See how they are identical? Also. We know that . This can be written So, let's look at n = 1, knowing that .
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