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1 - 2 = 2

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1 - 2 = 2

Problemi simili da ricerca Web

Do 'symmetric integers' have some other name?

https://math.stackexchange.com/questions/1104501/do-symmetric-integers-have-some-other-name/1104549

The greatest problem with your system, I think, is that the distributive law fails to hold:

1 = 1 \cdot 1 = (- 1 + 2) \cdot 1 \neq = (- 1) \cdot 1 + 2 \cdot 1 = 1 + 2 = 3

This is much more important than ...

1 + 4 + 7 + \dots + (3 n - 2) = \frac{n}{2} (3 n - 1)

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If Induction is not mandatory, using the formula for summation of Arithmetic series, the sum is

\frac{n}{2} (1 + 3 n - 2)

For induction, let

\sum_{r = 1}^{n} (3 r - 2) = \frac{n}{2} (3 n - 1)

n = m

⟹ \sum_{r = 1}^{m} (3 r - 2) = \frac{m}{2} (3 m - 1)

Two possible cases for JNF of a matrix

https://math.stackexchange.com/questions/2886748/two-possible-cases-for-jnf-of-a-matrix

One way is to find the minimal polynomial of the matrix. The multiplicity of

2

as a root of that polynomial is the size of the largest block of that eigenvalue in the Jordan Normal Form. That will ...

ODE: Asymptotic inner expansions

https://math.stackexchange.com/q/2672695

For the fast movements of the solution you in general look for local coordinates

x = x_{0} + ϵ^{a} X

which gives for

Y (X) = y (x_{0} + ϵ^{a} X)

ϵ^{1 - 2 a} Y^{''} + (x_{0} + ϵ^{a} X) ϵ^{- a} Y^{'} + Y = 0 ⟺ ϵ^{1 - a} Y^{''} + (x_{0} + ϵ^{a} X) Y^{'} + ϵ^{a} Y = 0

How to find nullclines

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R = 0

represents a straight line – just draw it! And

2 F - 1 = 0

is another straight line – draw that one too! The union of those two lines is your

R

-nullcline. The

F

-nullcline: ...

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Copiato negli Appunti

-1=2

Sottrai 2 da 1 per ottenere -1.

\text{false}

Confronta -1 e 2.

Esempi

Equazione quadratica

x^{2} - 4 x - 5 = 0

4 sin θ cos θ = 2 sin θ

Equazione lineare

y = 3 x + 4

699 * 533

[2534] [2 - 1 0135]

Equazione simultanea

{8 x + 2 y = 46 7 x + 3 y = 47

Differenziazione

\frac{d}{d x} \frac{( 3 x ^{2} - 2 )}{( x - 5 )}

\int_{0}^{1} x e^{- x^{2}} d x

x \to - 3 lim \frac{x ^{2} - 9}{x ^{2} + 2 x - 3}