1
NDA 2015 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
The degree of the differential equation $${{dy} \over {dx}} - x = {\left( {y - x{{dy} \over {dx}}} \right)^{ - 4}}$$ is
2
NDA 2015 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
The solution of $${{dy} \over {dx}} = \sqrt {1 - {x^2} - {y^2} + {x^2}{y^2}} $$ is
where, C is an arbitrary constant.
where, C is an arbitrary constant.
3
NDA 2015 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
The differential equation of the family of circles passing through the origin and having centres on the X-axis is
4
NDA 2015 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
The order and degree of the differential equation of parabolas having vertex at the origin and focus at (a, 0), where a > 0, are respectively
Questions Asked from Differential Equations (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