For the complex number z=−1−iz = -1 - iz=−1−i, find ∣z∣|z|∣z∣ and arg(z)\arg(z)arg(z) in radians.
∣z∣=2,arg(z)=5π/4|z| = \sqrt{2}, \arg(z) = 5\pi/4∣z∣=2,arg(z)=5π/4
∣z∣=2,arg(z)=3π/4|z| = 2, \arg(z) = 3\pi/4∣z∣=2,arg(z)=3π/4
∣z∣=2,arg(z)=−3π/4|z| = \sqrt{2}, \arg(z) = -3\pi/4∣z∣=2,arg(z)=−3π/4
Both a and c