Mathematics · Complex Analysis

If f(z) = xy + iy, then f(z) is:

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1differentiable at the origin because the Cauchy-Riemann equations are satisfied at the origin.
2not analytic because the Cauchy-Riemann equations are not satisfied.✓
3not differentiable at the origin although the Cauchy-Riemann equations are satisfied.
4analytic everywhere.

Correct answer

not analytic because the Cauchy-Riemann equations are not satisfied.

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If f(z) = xy + iy, then f(z) is:

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