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Grade: 11

                        

This question is of Complex number and please give me solutions of que number 9 and 10 both.

5 months ago

Answers : (1)

Arun
24742 Points
							
Dear student
 
For question 9
Let z = x +iy
 
Hence sqrt (x²+y²) - x - iy = 1 +2i
 
On comparison
y = -2
And 
x² +y²-x = 1
sqrt (x² +4 ) = 1 +x
x² +4 = x²+ 2x +1
 
2x =3
x = 3/2
 
Hence z = 3/2 -2i
 
Hope it helps
 
Also you are advised to ask only one question per session
5 months ago
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