If 1 is a root of equation
- if 1 2 is a root of quadratic equation
- if x 1 i is a root of the equation
- if 1 i is a root of the equation z 3
- if 1 2 is a root of the equation
- if y 1 is a common root of the equation
- if x 1 is a common root of the equation
- if 1 i is a root of the equation x2 ax b
- if 1 p is a root of quadratic equation
- if 1 is a root of equation
- if 1 is a root of equation ay2+ay+3