What is the solution of the simultaneous equation \(\frac{a}{x}-\frac{b}{y}=0\) and \(\frac{ab^2}{x}+\frac{a^2b}{y}=a^2+b^2\;?\)

• A. x = a, y = b
• B. x = -a, y = b
• C. x = a, y = -b
• D. x = -a, y = -b