Binomial Expansion (Pack, its a DLC for maths)

Question 1

What is used in binomial expansion?

Answer 1

Pascal’s Triangle

Question 2

How is Pascal’s Triangle calculated?

Answer 2

Adding the two numbers directly above

Question 3

First three rows of Pascal’s Triangle (EXCLUDING to the power of 0)

Answer 3

1 1
1 2 1
1 3 3 1

Question 4

What is the Binomial Theorem

Answer 4

ⁿCᵣ = (n/r) = n!/((n-r)!r!)

Question 5

What does ! mean in maths?

Answer 5

Factorial (3! = 1x2x3)

Question 6

What does the n represent in the Binomial Theorem?

Answer 6

n is the power of the bracket given (2+3x)⁶⁷

Question 7

What does the r represent in the Binomial Theorem?

Answer 7

r is the term you require