1
NDA 2018 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
Which one of the following is correct in respect of the cube roots of unity?
2
NDA 2018 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
What is the principal argument of ($$-$$1 $$-$$i), where $$i = \sqrt { - 1} $$?
3
NDA 2018 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
The number of non-zero integral solution of the equation $$|1 - 2i{|^x} = {5^x}$$ is
4
NDA 2018 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
If $$\alpha$$ and $$\beta$$ are different complex numbers with $$|\alpha |\, = 1$$, then what is $$\left| {{{\alpha - \beta } \over {1 - \alpha \overline \beta }}} \right|$$ equal to?
Questions Asked from Complex Numbers (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