User André Nicolas - Mathematics Educators Meta Stack Exchange

André Nicolas

Member for 8 years, 3 months
Last seen more than 8 years ago

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530

Why can ALL quadratic equations be solved by the quadratic formula?

502

Is the following matrix invertible?

230

Infiniteness of non-twin primes.

206

How I can prove that the sequence $\sqrt{2} , \sqrt{2\sqrt{2}}, \sqrt{2\sqrt{2\sqrt{2}}}$ converges to 2?

173

Can you raise a number to an irrational exponent?