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1. Consider the expansion of (x + 2)

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IB Questionbank Maths SL 1

1. Consider the expansion of (x + 2)

11

.

(a) Write down the number of terms in this expansion.

(1)

(b) Find the term containing x

2

.

(4) (Total 5 marks)

2. Find the term in x

4

in the expansion of

5

2

2

3 

 

 

x x .

(Total 6 marks)

3. Find the term in x

3

in the expansion of 3 . 3

2

8

 

 

x

(Total 5 marks)

4. Consider the expansion of the expression (x

3

− 3x)

6

. (a) Write down the number of terms in this expansion.

(b) Find the term in x

12

.

(Total 6 marks)

(2)

IB Questionbank Maths SL 2

5. Consider the expansion of 1 . – 3

9

2

 

x x

(a) How many terms are there in this expansion?

(b) Find the constant term in this expansion.

Working:

Answers:

(a) ...

(b) ...

(Total 6 marks)

6. Determine the constant term in the expansion of 2 . –

9 2

 

x x Working:

Answer:

...

(Total 4 marks)

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