,
,
, 2
Do not write
outside the
Answer all questions in the spaces provided. box
tyrionpapers.com
1 The roots of the equation 20 x 3 – 16 x 2 – 4 x + 7 = 0 are α, β and γ
Find the value of αβ + βγ + γα
Circle your answer.
[1 mark]
_ – 4 – 1 1 4
5 5 5 5
iπ
2 The complex number z = e 3
Which one of the following is a real number?
Circle your answer.
[1 mark]
_ z 4 z 5 z 6 z 7
(02)
G/Jun24/7367/1
,
, 2
Do not write
outside the
Answer all questions in the spaces provided. box
tyrionpapers.com
1 The roots of the equation 20 x 3 – 16 x 2 – 4 x + 7 = 0 are α, β and γ
Find the value of αβ + βγ + γα
Circle your answer.
[1 mark]
_ – 4 – 1 1 4
5 5 5 5
iπ
2 The complex number z = e 3
Which one of the following is a real number?
Circle your answer.
[1 mark]
_ z 4 z 5 z 6 z 7
(02)
G/Jun24/7367/1
