Question

Can you please solve 3(a)

Answer 1

${x}^{2} + {y}^{2} - x + y + \frac{1}{2} = 0 \\ {(x - \frac{1}{2} )}^{2} + {(y + \frac{1}{2}) }^{2} = 0 \\ x = \frac{1}{2} \: and \: y = - \frac{1}{2} \\ x + y = 0$