# Amire Bendjeddou

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bio website soundcloud.com/… location Zurich, Switzerland age 21 member for 7 months seen 1 hour ago profile views 146

(1) learn what i want to learn.

(2) forgetting what i learned.

(3) relearn what i wanted to learn.

and back to (1).

I'm a undrgrad. math student with the goal of reinventing myself day by day, living with what i'm not able to unlearn.

 6 Prove that $\left(\sum_{j=1}^n a_jb_j\right)^2 \le \left(\sum_{j=1}^n ja_j^2\right)\left(\sum_{j=1}^n b_j^2/j\right)$ 6 is $(x+1)^4-x^4$ non-prime for all natural positive integers $x$ 5 How to solve this integral $\int \frac{(1+2x^2)}{x^2(1+x^2)}dx$ 4 Solve $\sqrt{2x-5} - \sqrt{x-1} = 1$ 4 Linear Independence of $v$, $Av$, and $A^2v$

# 1,524 Reputation

 +5 relation between minimal polynomial and jordan normal form +5 prove that $|G|$ is even if $g=g^{-1}$, for all $g \in G$ +10 Invertibility of non-square matrix +5 Proof verification needed for interesting advanced calculus problem.

# 28 Questions

 7 convergence of series with $k!$ 5 interesting Integral , alternative solution. 4 Polynomial differential equation 3 Proving $(f^*)^*=f$ 3 convergence test : $\int_{0}^\infty \mathrm 1/(x\ln(x)^2)\,\mathrm dx$

# 62 Tags

 16 homework × 17 8 matrices × 4 15 inequality × 7 8 summation × 2 15 algebra-precalculus × 5 6 sequences-and-series × 6 13 calculus × 12 6 integration × 4 9 linear-algebra × 15 6 prime-numbers × 2

# 2 Accounts

 Mathematics 1,524 rep 113 Physics 101 rep 1