Why is (n-1)(n+1)=n^2-1?
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The basic answer is that you cross-multiply the values in each factor: (n - 1)(n + 1) n^2 - n + n -...
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The basic answer is that you cross-multiply the values in each factor: (n - 1)(n + 1) n^2 - n + n -...
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Here’s a good example of my sister being condescending. My 41 year old daughter is missing and my si...
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I think it is the insanity of denial which drives scientists to behave like flat earthers. They thin...
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I appreciate this question because it inspired me to write a blog about this. Thank you! Here is my...
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