1
NDA 2019 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
What is the degree of the differential equation $${{{d^3}y} \over {d{x^3}}} + {\left( {{{dy} \over {dx}}} \right)^2} - {x^2}\left( {{{{d^4}y} \over {d{x^4}}}} \right) = 0$$ ?
2
NDA 2019 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
Which one of the following is the differential equation that represents the family of curves $$y = {1 \over {2{x^2} - C}}$$,where C is an arbitrary constant?
3
NDA 2019 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
The differential equation which represents the family of curves given by $$\tan y = C(1 - {e^x})$$ is
4
NDA 2019 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
The solution of the differential equation $${{dy} \over {dx}} = \cos (y - x) + 1$$ is
Questions Asked from Differential Equations (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