Complex Numbers — Mathematics

Test your limits with our Elite Pro-Vault Questions for mathematics

Question 1
MediumJEE

The amplitude (principal argument) of −1+i-1 + i is:

A. 3π/43π/4
B. π/4π/4
C. 5π/45π/4
D. −3π/4-3π/4
Question 2
MediumJEE

If z = (1-i)/(1+i), then z is equal to:

A. −i-i
B. i
C. 1
D. −1-1
Question 3
MediumJEE

The value of (1+ω)(1+ω²), where ω is the complex cube root of unity, is:

A. 1
B. 0
C. 2
D. 3

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