Real and Distinct Roots of Quartic (Jee Mains) | ExamDuo
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Location of Roots and Higher Degree Equations
Medium
Real and Distinct Roots of Quartic
The smallest positive integral value of a, for which all the roots of x
4
– ax
2
+ 9 = 0 are real and distinct, is equal to
SELECT ONE OPTION
A
9
B
3
C
4
D
7
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