Teaching DSSSB TGT Mock Test 2025 Mathematics Complex Numbers

Let f(Z) = u(x, y) + i(v(x, y)) be an analytical function. If u = 5x + 2xy then v is equal to _________, where c is a constant.

1

x² + y² - 5x + c

2

x² - y² - 5xy + c

3

x² + y² + 5xy + c

4

y² - x² + 5y + c

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