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`        the number of complex numbers z which satisfy z2 + 2 modz2= 2 is?`
5 months ago

## Answers : (1)

1800 Points
```							can u plz post a pic so the ques is clear.i guess u r askinz^2 + 2|z|^2= 2let z= x+iy then we getx^2 – y^2 + 2xyi + 2(x^2+y^2)= 2equating real and imaginary parts,2xy=0 or xy=0 and x^2 – y^2 + 2(x^2+y^2)= 2.if x=0, then y= ± sqrt2 if y=0, then x= ± sqrt(2/3)so, there are 4 such complex numbers.kindly approve :)
```
5 months ago
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• Mind Map
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