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The complex numbers Z and W are given by Z=3+3i and W=6-i. Giving your answers in the form of x+yi and showing how you clearly obtain them, find: i) 3Z-4W ii) Z*/W

i) 3Z-4WFor this question it is just the matter of substituting the complex numbers of Z and W into the equation. So, 3(4+3i)-4(6-i). Then multiply out the brackets to get 12+9i-24+4i. Finally simply to get ...
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Answered by James B. • Maths tutor
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State the 4 stages of mitosis (2 marks)

Prophase, Metaphase, Anaphase and Telophase
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Answered by Becky M. • Biology tutor
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Explain the four stages of mitosis ( 8 marks).

DNA is replicated in interphase. 1) Prophase is first stage. Nuclear envelope breaks down and chromosomes condense and free in cytoplasm. Centrioles move to opposite ends of cell to form network of fibres ac...
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Answered by Becky M. • Biology tutor
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What is the difference between the pretérito perfecto and the pretérito indefinido?

The pretérito perfecto (he llamado, has llamado, ha llamado..) is used to describe an action which happened in a time which is not yet past, or is still part of the present. For example this year, this week,...
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Answered by Arianna C. • Spanish tutor
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What is the difference between a deponent and a semi-deponent verb?

Deponent verbs are verbs that look passive, but are active in meaning. Examples of these verbs are: conor, conari, conatus sum; loquor, loqui, locutus sum. Though these all conjugate like the passive voice o...
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Answered by Thomas M. • Latin tutor
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