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Why do women like black men?

They are more confident, and I find that they are often very hung. When I was 18, I got hit on by a...

Is GATE tougher than JEE?

"Sister: 'Gate is easy,' said my sister who scored well in JEE Mains and Advanced but wasn’t happy w...

Why is (n-1)(n+1)=n^2-1?

The basic answer is that you cross-multiply the values in each factor: (n - 1)(n + 1) n^2 - n + n -...