gurghet

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visits	member for	1 year, 11 months
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5 Questions

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3	What is the smallest number which begins with 7 and if you bring the 7 to the least significant position it becomes a third of the original number?
2	How to prove that if $a\equiv b \pmod{2n}$ then $a^2\equiv b^2 \pmod{2^2n}$
2	How to go from Fermat’s little theorem to Euler’s theorem thought Ivory’s demonstration?
1	Completion of the squares (actually of the quadratic forms)
0	Completing the squares for matrices

145 Reputation

+15	What is the smallest number which begins with 7 and if you bring the 7 to the least significant position it becomes a third of the original number?
+10	How to prove that if $a\equiv b \pmod{2n}$ then $a^2\equiv b^2 \pmod{2^2n}$
+10	How to go from Fermat’s little theorem to Euler’s theorem thought Ivory’s demonstration?
+5	Completion of the squares (actually of the quadratic forms)

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0 Answers

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8 Tags

0 number-theory × 2	0 linear-algebra
0 elementary-number-theory	0 matrices
0 modular-arithmetic	0 homework
0 recreational-mathematics	0 quadratic-forms

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