Teachoo MCQ Test

NCERT Exemplar MCQ Quiz

Preparing for CBSE

Chapter 4 Class 11 Complex Numbers | 7 questions

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Question 1 of 7
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Question 1 of 7
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If \(f(z)=\frac{7-z}{1-z^2}\), where \(z=1+2 i\), then \(|f(z)|\) is
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Question 2 of 7
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If \(z=x+i y\) lies in the third quadrant, then \(\frac{\bar{z}}{z}\) also lies in the third quadrant if
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Question 3 of 7
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Number of solutions of the equation \(z^2+|z|^2=0\) is
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Question 4 of 7
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\(1+i^2+i^4+i^6+\cdots+i^{2 n}\) is
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Question 5 of 7
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If the complex number \(z=x+i y\) satisfies the condition \(|z+1|=1\), then \(z\) lies on
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Question 6 of 7
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If \(\left(\frac{1+i}{1-i}\right)^x=1\), then
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Question 7 of 7
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The value of \((z+3)(\bar{z}+3)\) is equivalent to
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