IB MAI HL Number and Algebra Topic 1.4 Complex Numbers (id: 957b0d944)

本题目来源于试卷: IB MAI HL Number and Algebra Topic 1.4 Complex Numbers，类别为 IB数学

[填空题]
Let z=2+i and w=1−2io47r -asm; gihf8 iyv;ym.jtok 0,gr9.4 8mic*pg s;qw

1.Find zw=x-yi ; x=  ,y=  .

2.Illustrate z , w and zw on the same Argand diagram.

3.let θ be the angle between zw and w. Find θ, giving your answer in radians.
Hence we get θ(≈)  .

参考答案:
空格1: 4  空格2: 3  空格3: 0.464±3% 


本题详细解析:

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