Mathematics
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akhmeteni
  • Member for 5 years
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All Questions Answers
Score Newest
question
9
How to evaluate the sum : $\sum_{k=1}^{n} \frac{k}{k^4+1/4}$
Sep 28, 2017
question
8
Finding sum : ${\mathop{\sum\sum\sum\sum}_{0\le i\lt j\lt k\lt l\le n }} \,1$
Jun 30, 2017
question
4
Polynomial having rational coefficients and one root: $\sqrt{2}+\sqrt{3}-\sqrt{5}$
Jul 22, 2017
question
3
Can we evaluate $\int_{0}^{t_o} \cos(x(t)) dt $ from $\int_{0}^{t_o} \sin(x(t)) dt$?
Aug 12, 2017
question
3
Roots of $ax^2+bx+1 = 0$ are given, then find roots of $x^2+(b^3-3ab)x + a^3 = 0$
Sep 24, 2017
question
3
If $a,b$ are roots of $3x^2+2x+1$ then find the value of an expression
Jul 3, 2017
question
3
If $ax^2+bx+c = 0$ and $bx^2+cx + a = 0$ have a common root and $a\neq 0$, then find $\frac{a^3+b^3+c^3}{abc}$
Jul 5, 2017
question
3
Let $a,b,c$ be roots of $x^3+px+r=0$. Find the cubic whose roots are $(a-b)^2$,$ (b-c)^2$ and $(c-a)^2$
Jul 6, 2017
question
3
What is the period of $f(2x)$ if $f(2x+6) = f(2x)$ and that of $f(x)$?
Nov 25, 2017
question
2
Roots of $abc^2x^2 + 3a^2 c x + b^2cx-6a^2 -ab +2b^2 = 0$ are rational
Jul 11, 2017

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