Q. Find the distance d between z1=(2+2i) and z2=(6−4i). Express your answer in exact terms and simplify, if needed.d=
Identify Formula: Identify the formula to calculate the distance between two complex numbers. The distance between two complex numbers z1 and z2 is given by the formula d=∣z2−z1∣, where ∣z∣ denotes the modulus of the complex number z.
Subtract Numbers: Subtract z1 from z2. Given z1=2+2i and z2=6−4i, we calculate z2−z1=(6−4i)−(2+2i)=6−4i−2−2i=4−6i.
Calculate Modulus: Calculate the modulus of the difference.The modulus of a complex number a+bi is given by a2+b2. So, for 4−6i, the modulus is 42+(−6)2=16+36=52.
Simplify Modulus: Simplify the modulus, if possible. 52 can be simplified by factoring out perfect squares. 52=(4×13)=4×13=213.
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