Binomail Expansion + Vectors

Question 1

Answer 1

Question 2

“In any order”

Answer 2

Question 3

“In any order “

Answer 3

Question 4

Answer 4

Question 5

What is the formula for the number of combinations- without repeats?

Answer 5

Question 6

What is the formula for the number of combinations- without repeats?

Answer 6

Question 7

What is the formula for probability of getting r out of n outcomes with a probability P?

Answer 7

Question 8

Answer 8

Question 9

Answer 9

Question 10

Answer 10

Question 11

What is 0!

Answer 11

1

Question 12

Draw the next expansion of (a+b) from pascalls Triangle

Answer 12

One power is ascending from 0
The other power is descending from the original power

Question 13

Answer 13

Question 14

Answer 14

Question 15

Answer 15

Question 16

Answer 16

Question 17

Answer 17

Question 18

Answer 18

Question 19

Answer 19

Question 20

Answer 20

Question 21

Answer 21

Question 22

Answer 22

Question 23

Why is only using the first 4 ascending powers of x a good estimate?

Answer 23

Because x <1, the x becomes increasingly small with the increasing power and so becomes more and more negligible

Question 24

Answer 24

Question 25

Answer 25

Question 26

How is a vector represented ?

Answer 26

Question 27

What is magnitude direction form aka polar form?

Answer 27

Question 28

How can a vector be represented in term of i and j (vector form) ?

Answer 28

Question 29

Convert the vector form (4,2) into polar form

Answer 29

Question 30

What is the modulus |a| ?

Answer 30

The magnitude of a vector

Question 31

Convert the vector into component form

Answer 31

Question 32

Answer 32

Question 33

Answer 33

Question 34

Why does it mean when two vectors have the same magnitude and direction?

Answer 34

They are parallel and are the same vectors

Question 35

What does it mean when vectors have the same magnitude but opposite direction?

Answer 35

Question 36

What does the vector 0 respresnt

Answer 36

No movement

Question 37

What is a scalar/normal number ?

Answer 37

Changes the magnitude
Negative scalars can change direction aswell

Question 38

How can vectors be shown to be parallel?

Answer 38

Writing them as a multiple of each other

Question 39

Answer 39

Question 40

What is the magnitude of a (|a|)?
a= (x,y)

Answer 40

Question 41

What is a unit vector?

Answer 41

Magnitude of unit vector = 1

Question 42

What is the unit vector (a^) of (3,5)?

Answer 42

Question 43

Answer 43

Question 44

What is a position vector?

Answer 44

The translation from the origin

Question 45

Answer 45

Question 46

Answer 46

Question 47

Answer 47

Question 48

Answer 48

Question 49

Answer 49

Question 50

Answer 50

Question 51

Answer 51

Question 52

Answer 52

Question 53

Answer 53

Question 54

Answer 54

Question 55

Answer 55

Question 56

What is the scalar of the vector (4,3)?

Answer 56

Question 57

Answer 57

Question 58

Answer 58

Question 59

Answer 59

Question 60

Vector question

Answer 60