Q. Find the distance d between z1=(8+3i) and z2=(5−7i). Express your answer in exact terms and simplify, if needed.d=
Identify formula for distance: Identify the formula for the distance between two complex numbers. The distance between two complex numbers z1=(x1+yi1) and z2=(x2+yi2) is given by the formula d=((x2−x1)2+(y2−y1)2).
Plug values into formula: Plug the values of z1 and z2 into the distance formula.For z1=(8+3i) and z2=(5−7i), we have x1=8, y1=3, x2=5, and y2=−7. So, we substitute these values into the formula to get d=((5−8)2+(−7−3)2).
Calculate differences: Calculate the differences (x2−x1) and (y2−y1). The differences are (5−8)=−3 and (−7−3)=−10.
Square differences and add: Square the differences and add them. Squaring the differences gives us (−3)2=9 and (−10)2=100. Adding them together yields 9+100.
Calculate square root of sum: Calculate the square root of the sum to find the distance.The sum is 9+100=109. Taking the square root gives us d=109.
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