SubArea: Quadratic equations with complex rootsLevel: CProject ID: 2000001508Accepted: 0Clonable: 0Easy: 1Which of the given numbers is not the solution of the equation \((x-i)(2x+i)=0\)?\(x=1\)\(x=i\)\(x=-\frac{1}{2}i\)\(x=\cos{\frac{\pi}{2} }+ i\sin{\frac{\pi}{2}}\)
