NDA || Mathematics || Algebra || Complex Number || Quiz

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Question 1

What is  equal to, where i = ?

• A1
• B1/6
• C6
• D2

Question 2

Let z be a complex number such that |z| = 4 and  What is z equal to?

Where I =

• A
• B
• C
• D

Question 3

What is  equal to, where n is a natural number and i = ?

• A2
• B2i
• C-2i
• Di

Question 4

What is the value of (1+w-w²)(w), where w is the cube root of unity

• Aw
• B0
• C-2
• D1

Question 5

If  then the maximum value of  is equal to

• A
• B
• C
• D

Question 6

If A = {x ∈ Z : x³ – 1 = 0} and B = {x ∈ Z : x² + x + 1 = 0}, where Z is set of complex numbers, then what is A ∩ B equal to?

• ANull set
• B
• C
• D

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