1
NDA Mathematics 18 April 2021
MCQ (Single Correct Answer)
+2.5
-0.83
If the roots of the quadratic equation x2 + 2x + k = 0 are real, then
2
NDA Mathematics 18 April 2021
MCQ (Single Correct Answer)
+2.5
-0.83
If k is one of the roots of the equation x(x + 1) + 1 = 0, then what is its other root?
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 Functions Logarithms Quadratic Equations and Inequalities Sequence And Series Binomial Theorem Matrices Determinants Permutations and Combinations Probability Complex Numbers Vector Algebra Three Dimensional Geometry Statistics
Trigonometry
Trigonometric Angles and Equations Inverse Trigonometric Function Height and Distance Properties of Triangles
Coordinate Geometry
Calculus
English
General Studies