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JaVaPG

Apparently, this user prefers to keep an air of mystery about them.

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  • Member for 6 years, 8 months
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  • Last seen Dec 4 '20 at 15:33

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8 Linear Algebra - eigenvalues Oct 7 '14
6 Proof If $AB-I$ Invertible then $BA-I$ invertible. [duplicate] Dec 23 '14
5 $P(x)=x^3+ax^2+bx+c$, Proof $e^{P(x)}=\sin x$ has a solution. Dec 31 '14
5 Proof if $I+AB$ invertible then $I+BA$ invertible and $(I+BA)^{-1}=I-B(I+AB)^{-1}A$ [duplicate] Aug 15 '15
5 Proof that $\dim\text{span}\{x,x^2\cos x,\cos x\}=3$ Aug 16 '15
5 How to find common ratio of a geometric series. Oct 28 '14
4 If $f^2$ monotonically increasing in $R$ then f monotonic Nov 13 '14
4 Calculus - prove that limit doesn't exists using esplion and delta Aug 13 '14
4 $A_{n\times n}$ that implies : $A^2-2A+I=0$ Proof $1$ is an eigevalue of $A$ Aug 19 '15
4 Method of solving $x^5=2\pmod{13}$ and $x^3=2\pmod{11}$ Dec 30 '16
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