优优班--学霸训练营 > 知识点挑题
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            • 1.

              已知\(i\)是虚数单位,则\({{\left( \dfrac{1-i}{1+i} \right)}^{6}}+{{\left( \dfrac{\sqrt{2}}{1-i} \right)}^{2018}}=\)____________________\(.\) 

            • 2.

              \( \dfrac{-2 \sqrt{3}+i}{1+2 \sqrt{3}i}+\left( \left. \dfrac{ \sqrt{2}}{1-i} \right. \right)^{2 017} =\)________.

            • 3.

              已知复数\(z=i+i^{2}+i^{3}+…+i^{2019}\),则\(z=\)________.

            • 4. 计算:

              \((1)\dfrac{{2}+{2i}}{{{({1}-{i})}^{{2}}}}+{{\left( \dfrac{\sqrt{{2}}}{{1}+{i}} \right)}^{{2016}}}\);

              \((2)i+i^{2}+…+i^{2017}\).

            • 5.

              设\(f(n)={\left( \dfrac{1+i}{1-i}\right)}^{n}+{\left( \dfrac{1-i}{1+i}\right)}^{n}\left(n∈N\right) \),则集合\(\left\{x \left|x=f(n) \right.\right\} \)的子集个数是                         

            • 6.

              \(\left( \left. \dfrac{1+i}{1-i} \right. \right)^{2 018} =\)________.

            • 7. 已知\(i\)是虚数单位,则\((2+i)(3+i)=(\)  \()\).
              A.\(5-5i\)
              B.\(7-5i\)
              C.\(5+5i\)
              D.\(7+5i\)
            • 8.

              已知\(z=\dfrac{1+i}{\sqrt{2}}\),则\(1+z^{50}+z^{100}\)的值是\((\)    \()\)


              A.\(3\)            
              B.\(1\)            
              C.\(2+i\)          
              D.\(i\)
            • 9. 计算:

              \((1)\dfrac{{2}+{2i}}{{{({1}-{i})}^{{2}}}}+{{\left( \dfrac{\sqrt{{2}}}{{1}+{i}} \right)}^{{2010}}}\);

              \((2)(4-i^{5})(6+2i^{7})+(7+i^{11})(4-3i)\).

            • 10.

              复数\({{\left( \dfrac{1-i}{1+i} \right)}^{10}}\)的值是____________.

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