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Mathematics
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Adola
  • Member for 7 years, 6 months
  • Last seen more than 1 year ago
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9
Prove that $n\leq a_1+a_2+...+a_n \leq n+1$
Nov 6, 2020
7
What does it mean to evaluate $i^{786}$?
Dec 21, 2020
5
What Is The Sum of All of The Real Root
Jan 15, 2017
5
Solutions of $32p^7-q^7 = \pm 1$
Oct 21, 2020
5
Find odd primes $p$ and $q$ such that $(p-1)\mid {3q-1}$ and $(q-1)\mid{3p-1}$.
Jul 26, 2020
5
Find the value of: $\frac{\sqrt{45} + \sqrt{18}} {\sqrt{7+2\sqrt{10}}}$
Feb 4, 2017
5
$z$ is a complex number such that $z^7=1$, where $z\not =1$. Find the value of $z^{100}+z^{-100} + z^{300}+z^{-300} + z^{500}+z^{-500}$
Dec 12, 2020
4
Find $xyz$ given that $x + z + y = 5$, $x^2 + z^2 + y^2 = 21$, $x^3 + z^3 + y^3 = 80$
Jan 14, 2017
4
Fast Way of Finding The Remainder
Jan 29, 2017
4
Why is the inradius of any triangle at most half its circumradius?
Jan 4, 2020