1.The equation arg(z+1z−1)=π4\arg\left(\dfrac{z + 1}{z - 1}\right) = \dfrac{\pi}{4}arg(z−1z+1)=4π represents a circle with:a.Centre at (0,0)(0, 0)(0,0) and radius 2\sqrt{2}2b.Centre at (0,1)(0, 1)(0,1) and radius 222c.Centre at (0,−1)(0, -1)(0,−1) and radius 2\sqrt{2}2d.Centre at (0,1)(0, 1)(0,1) and radius 2\sqrt{2}2Login to continueOnly logged in users canattempt or see the solution.
