5 marksThe Real Number System – ℝ
CAPE Pure Mathematics Unit 1 · May/June 2006 · Paper 2 · Question 4(b)(i)c)
z₁/z₂
The mark scheme is shown once you've answered.
Practise this questionOther parts of this question
- 4(a)(i)find the values of R and α correct to one decimal place[7 marks]
- 4(a)(ii)hence, find ONE value of x between 0° and 360° for which the curve y = 4 sin x - cos x has a stationary point.[2 marks]
- 4(b)(i)Find in the form a + bi, a, b ∈ R,[1 mark]
- 4(b)(i)a)z₁ + z₂[1 mark]
- 4(b)(i)b)z₁z₂[3 marks]
- 4(b)(ii)Find the quadratic equation whose roots are z₁ and z₂.[2 marks]
More practice: the rest of this paper · more The Real Number System – ℝ questions · all CAPE Pure Mathematics Unit 1 past papers