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LFM Stats And Pure
Complex Numbers Arithmetic
Q2
OCR FP1 AS 2017 Specimen — Question 2
Exam Board
OCR
Module
FP1 AS (Further Pure 1 AS)
Year
2017
Session
Specimen
Topic
Complex Numbers Arithmetic
Type
Multi-part questions with division as one step
2 In this question you must show detailed reasoning.
Given that \(z _ { 1 } = 3 + 2 \mathrm { i }\) and \(z _ { 2 } = - 1 - \mathrm { i }\), find the following, giving each in the form \(a + b \mathrm { i }\).
\(\mathrm { z } _ { 1 } { } ^ { * } \mathrm { z } _ { 2 }\)
\(\frac { z _ { 1 } + 2 z _ { 2 } } { z _ { 2 } }\)
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