ExamSIDE (Powered by ExamGOAL)
Questions
PREVIOUS NEXT
1
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
A
$${e^x}\tan ydx + (1 - {e^x})dy = 0$$
B
$${e^x}\tan ydx + (1 - {e^x}){\sec ^2}ydy = 0$$
C
$${e^x}(1 - {e^x})dx + \tan ydy = 0$$
D
$${e^x}\tan ydy + (1 - {e^x})dx = 0$$
2
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
A
$${e^x}[\sec (y - x) - \tan (y - x)] = c$$
B
$${e^x}[\sec (y - x) + \tan (y - x)] = c$$
C
$${e^x}\sec (y - x)\tan (y - x) = c$$
D
$${e^x} = c\sec (y - x)\tan (y - x)$$
3
NDA 2019 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
If $$y = a\cos 2x + b\sin 2x$$, then
A
$${{{d^2}y} \over {d{x^2}}} + y = 0$$
B
$${{{d^2}y} \over {d{x^2}}} + 2y = 0$$
C
$${{{d^2}y} \over {d{x^2}}} - 4y = 0$$
D
$${{{d^2}y} \over {d{x^2}}} + 4y = 0$$
4
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
A
$${x^2} + {y^2} - 2xy{{dy} \over {dx}} = 0$$
B
$${x^2} + {y^2} + 2xy{{dy} \over {dx}} = 0$$
C
$${x^2} - {y^2} + 2xy{{dy} \over {dx}} = 0$$
D
$${x^2} - {y^2} - 2xy{{dy} \over {dx}} = 0$$
PREVIOUS NEXT
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
Coordinate System and Straight Line Circle Parabola Ellipse Hyperbola Conic Section
Calculus
Functions Limit, Continuity and Differentiability Differentiation Application of Derivatives Indefinite Integration Definite Integration Area Under The Curves Differential Equations
English
Reading Comprehension Synonyms Antonyms Cloze Rearranging Sentences in a Paragraph Idioms and Phrases Word Classes Sentence Completion Improvement of Sentence
General Science
Physics Chemistry Biology
General Studies
Polity Geography History Economy General Knowledge
EXAM MAP
Joint Entrance Examination
JEE MainJEE AdvancedWB JEEBITSATMHT CETKCETCOMEDKVITEEEAP EAPCETTS EAMCET
Medical
NEETAIIMS
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12