Vecteurs Flashcards

1
Q

Le produit scalaire A . B =…

A

IIAII IIBII cos(x)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Si produite scalaire nulle alors…

A

A est perpendiculaire à B

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

(2, -1) . (3, 4) =

A

6-4 = 2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Le produit vectoriel A X B = …

A

IIAII IIBII sin(x)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Un produit vectoriel calcule …

A

L’aire d’un parrallélogramme

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

IIAII cos(x) est

A

La projection de A sur B

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

IIAII sin(x) est

A

La hauteur du parrallélogramme

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

(2, -1) X (3, 4) =…

A

11 1Z

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Si A // B alors…

A

A X B = 0

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Quand la résolution d’un système donne une solution unique on a …

A

Une pyramide à base triangulaire

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Quand un système donne une solution indéterminée on a …

A

Simplement indéterminé (droite) (1liberté) -> intersection entre les plans donnant lieu a une droite

Doublement indéterminé (plan) (2 liberté) -> Plans confondus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Quand un système donne une solution impossible on a …

A

Au min 2 plan parallèles

Ou

Un prisme

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Le produit mixte A . (B X C) représente…

A

Le volume d’un parrallélépipède

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

A . ( B X C ) =…

A

IIAII IIB X CII cos(x)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly