If z=x+iyz = x + iyz=x+iy and w=u+ivw = u + ivw=u+iv, which statement is true about ∣z⋅w∣|z \cdot w|∣z⋅w∣?
∣z⋅w∣=∣z∣+∣w∣|z \cdot w| = |z| + |w|∣z⋅w∣=∣z∣+∣w∣
∣z⋅w∣=∣z∣⋅∣w∣|z \cdot w| = |z| \cdot |w|∣z⋅w∣=∣z∣⋅∣w∣
∣z⋅w∣=∣z∣/∣w∣|z \cdot w| = |z| / |w|∣z⋅w∣=∣z∣/∣w∣
∣z⋅w∣=∣z∣2+∣w∣2|z \cdot w| = \sqrt{|z|^2 + |w|^2}∣z⋅w∣=∣z∣2+∣w∣2