Ultimate Math Exam Trivia: Quiz!
.
- 1.A complex number has:
- A.
Real part
- B.
Imaginary part
- C.
Both
- D.
None of them
- 2.Graphical representation of the complex numbers is called:
- A.
Argands diagram
- B.
Polar form
- C.
Non polar form
- D.
None of these
- 3.Sin2x is:
- A.
2sinxcosx
- B.
Sin2xcos2x
- C.
Both
- D.
None
- 4.Derivative of cos(x)
- A.
-sin(x)
- B.
Sin(x)
- C.
Cot(x)
- D.
None of these
- 5.Derivative of ln(x)
- A.
1/x
- B.
Ln(x)
- C.
1
- D.
Ex
- 6.A derivative of tan(x)
- A.
Sec2(x)
- B.
Cot(x)
- C.
Sec(x)
- D.
Cosec2(x)
- 7.A derivative of ex is
- A.
1
- B.
0
- C.
Ex
- D.
None of these
- 8.A derivative of 2x3 is
- A.
6x
- B.
6x2
- C.
12x
- D.
None of these
- 9.A derivative of cos x is
- A.
-sin x
- B.
Sin x
- C.
Cosx sinx
- D.
None of these
- 10.A derivative of sec x is
- A.
-sec x tan x
- B.
-cosec2x
- C.
-cos x
- D.
Cot2x
- 11.A matrix is said to be _______ if the number of rows is not equal to the number of columns of a matrix.
- A.
Rectangular
- B.
Square
- C.
Diagonal
- D.
None of these
- 12.A square matrix A is said to be ______ if |A| is equal to 0.
- A.
Singular matrix
- B.
Non-singular matrix
- C.
Triangular matrix
- D.
None of these
- 13.A square matrix A is said to be ______ if |A| is not equal to 0.
- A.
Non singular matrix
- B.
Singular matrix
- C.
Triangular
- D.
None of these
- 14.A square matrix A is equal to [aij] is said to be ______ if [aij] = [aji]
- A.
Symmetric
- B.
Asymmetric
- C.
Conjugate
- D.
None of these
- 15.State the reflexive property.
- A.
A = A
- B.
If A=B then B=A
- C.
If A=B ,B=C then A=C
- D.
Option 4
- 16.AA-1 = ?
- A.
I
- B.
1
- C.
0
- D.
None of these
- 17.A matrix is said to be ________ if all the non-diagonal elements are 0.
- A.
Diagonal
- B.
Square
- C.
Column
- D.
Circular
- 18.A derivative of cot x
- A.
-cosec2 x
- B.
Sec2 x
- C.
-tan x
- D.
Cos2 x
- 19.∫ sinx dx
- A.
- cos x
- B.
Cos x
- C.
Sec x
- D.
-cosec x
- 20.∫ cosx dx
- A.
Sin x
- B.
-sin x
- C.
-cosec x
- D.
Sec x
- 21.∫ cosec2x dx
- A.
-cotx
- B.
-tanx
- C.
Cotx
- D.
Tanx
- 22.Sin2x + cos2x = ?
- A.
1
- B.
Sin2x
- C.
Cos2x
- D.
-1
- 23.An ___________ set of mn numbers arranged in a rectangular array of m rows and n columns and enclosed by a pair of brackets is called a matrix.
- A.
Ordered
- B.
Unordered
- C.
Evenly ordered
- D.
None of them
- 24.Which of these is not a matrix type?
- A.
Rounded matrix
- B.
Row
- C.
Column
- D.
None of these
- 25.The determinant of a matrix is mentioned as?
- A.
Mod
- B.
Hash
- C.
Tilde
- D.
None of these
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