The equation of the smallest degree with real coefficients having as one of the roots is
As learnt in concept
To form a Quadratic Equation given the roots -
- wherein
S = Sum of roots
P = Product of roots
If 1+i is root
other root =1-i
sum=2
product =(1+i) (1-i)
=2
Option 1)
This option is incorrect
Option 2)
This option is correct
Option 3)
This option is incorrect
Option 4)
This option is incorrect