JEE Advanced Mathematics question

MathematicsQuadratic Equations and InequalitiesJEE Advanced

If , , , does not have distinct real roots then the least value of is

Answer: (D)

Solution

For the quadratic (with ), no distinct real roots means , i.e. . Then

3a - 2b - 2b = Missing argument for \frac\frac - Missing argument for \frac\frac83 b) = Missing argument for \frac\frac34{(b -

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Question ID VK-110057