and if both and have no imaginary root then minimum value of equals
90
108
120
144
Both don't have imaginary root so for both
Quadratic Expression Graph when a< 0 & D >0 -
Real and distinct roots of
&
- wherein
Option 1)
90
This is incorrect
Option 2)
108
This is correct
Option 3)
120
This is incorrect
Option 4)
144
This is incorrect
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