1. The modulus of z = 3 - i is 10. 2. The conjugate of 5 + 3i is 5 - 3i

Question

True/False

1. The modulus of z = 3 - i is 10.

2. The conjugate of 5 + 3i is 5 - 3i

3. The polar form of 1 - i is √2 \((\cos\ \frac{\pi}{4} + i\ \sin\ \frac{\pi}{4})\)

4. For any complex number z is

5. If z = 4 +3i then its multiplicative inverse is 4 - 3i.

Answer 1

1. True

2. True

3. False

4. False

5. False