yangtheary

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13 years, 288 days

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These are questions asked by yangtheary

Find all the positive integers n ,such that

Prove that (k^{{2}^{n}}-1)\equiv 0 (mod2^{n+2}).If

A triangle ABC is given.The points

Fine a_{n} of sequence

Find $M=sin(54°)+cot(7.50°)$

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