caligula

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203 reputation
15
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location Kharkov
age 27
visits member for 1 year
seen May 19 at 17:56
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May
18
 awarded  Yearling
May
14
 awarded  Caucus
May
8
 accepted Can somebody provide an explanation to the formula of a one elementary integral?
May
8
 comment Can somebody provide an explanation to the formula of a one elementary integral?
@Artem, thank you very much!
May
8
 asked Can somebody provide an explanation to the formula of a one elementary integral?
Mar
30
 comment Please, I need a more detailed explanation of the particular solution of the problem with vectors
@DonAntonio, thank you for the suggestion, I am from the former USSR and in our school this way of a solution of quadratic equations isn't taught. I never heard about it. Thanks.
Mar
30
 accepted Please, I need a more detailed explanation of the particular solution of the problem with vectors
Mar
30
 awarded  Custodian
Mar
30
 reviewed Approve suggested edit on Please, I need a more detailed explanation of the particular solution of the problem with vectors
Mar
30
 asked Please, I need a more detailed explanation of the particular solution of the problem with vectors
Feb
28
 accepted Please, help me to find where is a mistake in the solutions of the equation.
Feb
28
 comment Please, help me to find where is a mistake in the solutions of the equation.
@André Nicolas, I'm not sure, but as I understood this is true if we certainly know that this infinite geometric series converges. But how can I assume that from the condition? Because $1+sin(2x)$ is the exact value not greater than $2$ and not infinity?
Feb
28
 comment Please, help me to find where is a mistake in the solutions of the equation.
@André Nicolas would you mind if I ask you to elaborate your comment with possible example? I did not understand.
Feb
28
 comment Please, help me to find where is a mistake in the solutions of the equation.
$tan(x)=0$ is the subset of the $x_1=\pi k ,\space k \in \mathbb{Z}$, as I understood, isn't it?
Feb
28
 asked Please, help me to find where is a mistake in the solutions of the equation.
Feb
14
 accepted Is it allowed to divide an equation by an expression which can be equal to zero?
Feb
14
 asked Is it allowed to divide an equation by an expression which can be equal to zero?
Feb
2
 comment Missing and parasite roots in the trigonometric equation.
yes, it works. Huge thanks to both of you.
Feb
2
 accepted Missing and parasite roots in the trigonometric equation.
Feb
2
 asked Missing and parasite roots in the trigonometric equation.
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