1
NDA 2019 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
If $$y = a\cos 2x + b\sin 2x$$, then
2
NDA 2019 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
The differential equation of the system of circles touching the Y-axis at the origin is
3
NDA 2019 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
Consider the following in respect of the differential equation :
$${{{d^2}y} \over {d{x^2}}} + 2{\left( {{{dy} \over {dx}}} \right)^2} + 9x = x$$
1. The degree of the differential equation is 1.
2. The order of the differential equation is 2.
Which of the above statements is/are correct?
$${{{d^2}y} \over {d{x^2}}} + 2{\left( {{{dy} \over {dx}}} \right)^2} + 9x = x$$
1. The degree of the differential equation is 1.
2. The order of the differential equation is 2.
Which of the above statements is/are correct?
4
NDA 2019 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
What is the general solution of the differential equation $${{dy} \over {dx}} + {x \over y} = 0$$ ?
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