Question

# The complex number z which satisfies the condition $\left|\frac{i+z}{i-z}\right|=1$ lies on (a) circle x2 + y2 = 1 (b) the x−axis (c) the y−axis (d) the line x + y = 1

Solution

## Hence, the correct option is (b).MathematicsRD Sharma XI (2019)All

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