1 |
The roots of the equation: |
complex
irrational
rational
none of these
|
2 |
If α, ß are the roots of x2 + kx + 12=0 such that α-ß = 1 then K = : |
0
±5
±7
±15
|
3 |
If α, ß are complex cube roots of unity, then 1 + αn + ßn = .......... where n is a positive integer divisible by 3: |
1
3
2
4
|
4 |
32x - 3x - 6 = 0 is: |
reciprocal equation
exponentialequation
radicalequation
none of these
|
5 |
|
quadratic equation
reciprocal equation
exponential equation
none of these
|
6 |
One of the roots of the equation 3x2 + 2x + k = 0 is the reciprocal of the other, then k = ...............: |
3
2
1
4
|
7 |
If P(x) is a polynomial of degree m and Q(x) is a polynomial of degree n, the quotient P(x) + Q(x) will produce a polynomial of degree: |
m . n, plus a quotient
m - n, plus a remainder
m ÷ n, plus a factor
m + n, plus a remainder
|
8 |
If P(x) is a polynomial of degree m and Q(x) is a polynomial of degree n, the product P(x) . Q(x) will be a polynomial of degree: |
m . n
m - n
m + n
m × n
|
9 |
If 4x = 2, then x equals: |
2
1
|
10 |
Which one is exponential equation: |
ax<sup>2</sup> + bx + c = 0
ax + b = 0
2<sup>x</sup> = 16
|
11 |
Which one is radical equation: |
ax<sup>2</sup> + bx + c
ax + b = 0
2<sup>x</sup> = 16
|
12 |
|
c = 0
b = 0, c = 0
|
13 |
Solution set of the equation x2 - 3x + 2 = 0 is |
{-1, 2}
{1, -2}
{-1, -2}
{1, 2}
|
14 |
The other name of quadratic equation is: |
linear equation
1st degree equation
2nd degree equation
none
|
15 |
No. of ways of solving a quadratic equation: |
1
3
2
4
|
16 |
The trivial solution of the homogeneous linear equations is: |
(1, 0, 0)
(0, 1, 0)
(0, 0, 1)
(0, 0, 0)
|
17 |
If a matrix A is symmetric as well as skew symmetric, then: |
A is null matrix
A is unit matrix
A is triangular matrix
A is diagonal matrix
|
18 |
|
scalar matrix
diagonalmatrix
triangularmatrix
none of these
|
19 |
|
scalarmatrix
diagonalmatrix
lower triangularmatrix
uppertriangularmatrix
|
20 |
|
scalar matrix
diagonalmatrix
lower triangularmatrix
upper triangularmatrix
|