and have a common root then equals
has irrational roots and both equations one given to have common root.Since to satisfy condition of common root, it will have both roots common.
So,
Condition for both roots common -
- wherein
&
are the 2 equations
Option 1)
This is incorrect
Option 2)
This is incorrect
Option 3)
This is correct
Option 4)
This is incorrect
Study 40% syllabus and score up to 100% marks in JEE