How to find root of 8+3i in complex numbers???????????????????????
moulee , 9 Years ago
Grade 11
Analytical Geometry> How to find root of 8+3i in complex numbe...
1 AnswersAmogh Dasture
Last Activity: 9 Years ago
Let x+iy=root of 8+3i
(x+iy)2=8+3i
x2-y2+2xyi=8+3i
On comparing, x2-y2=8 and 2xy=3 ie x=3/(2y)
9/(4y2) – y2=8
Solve and get the values of x and y
z=x+iy
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