1
NDA 2016 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
If c > 0 and 4a + c < 2b, then ax2 $$-$$ bx + c = 0 has a root in which one of the following intervals?
2
NDA 2016 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
Read the following information carefully and answer the questions given below.
Let $$\alpha$$ and $$\beta$$ ($$\alpha$$ < $$\beta$$) be the roots of the equation x2 + bx + c = 0, where b > 0 and c < 0.
Let $$\alpha$$ and $$\beta$$ ($$\alpha$$ < $$\beta$$) be the roots of the equation x2 + bx + c = 0, where b > 0 and c < 0.
Consider the following
1. $$\beta$$ < $$-$$ $$\alpha$$
2. $$\beta$$ < | $$\alpha$$ |
Which of the above is/are correct?
1. $$\beta$$ < $$-$$ $$\alpha$$
2. $$\beta$$ < | $$\alpha$$ |
Which of the above is/are correct?
3
NDA 2016 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
Read the following information carefully and answer the questions given below.
Let $$\alpha$$ and $$\beta$$ ($$\alpha$$ < $$\beta$$) be the roots of the equation x2 + bx + c = 0, where b > 0 and c < 0.
Let $$\alpha$$ and $$\beta$$ ($$\alpha$$ < $$\beta$$) be the roots of the equation x2 + bx + c = 0, where b > 0 and c < 0.
Consider the following
1. $$\alpha$$ + $$\beta$$ + $$\alpha$$$$\beta$$ > 0
2. $$\alpha$$2$$\beta$$ + $$\beta$$2$$\alpha$$ > 0
Which of the above is/are correct?
1. $$\alpha$$ + $$\beta$$ + $$\alpha$$$$\beta$$ > 0
2. $$\alpha$$2$$\beta$$ + $$\beta$$2$$\alpha$$ > 0
Which of the above is/are correct?
4
NDA 2016 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
If x2 $$-$$ px + 4 > 0 for all real values of x, then which one of the following is correct?
Questions Asked from Quadratic Equations and Inequalities (Marks 2.5)
Number in Brackets after Paper Indicates No. of Questions
NDA Subjects
Mathematics
Algebra
Sets, Relations and FunctionsLogarithmsQuadratic Equations and InequalitiesSequence And SeriesBinomial TheoremMatricesDeterminantsPermutations and CombinationsProbabilityComplex NumbersVector AlgebraThree Dimensional GeometryStatistics
Trigonometry
Trigonometric Angles and EquationsInverse Trigonometric FunctionHeight and DistanceProperties of Triangles
Coordinate Geometry
Calculus
English
General Studies