Question # 1

The transport of a null matrix is

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Row matrix

Column matrix

Square matrix

Null matrix

If ∀a,b ε R,then a +b ε R is a property

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Closure law of addition

Associative law of addition

Additive inverse

Additive identity

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additive property

multiplicative property

additive identity

multiplicative identity

When we expand (a + 2b)⁵then

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a⁵+ 10a⁴b + 40a³b²+ 80a²b³+ 80ab⁴+ 32b⁵

a⁵+ a⁴b + a³b²+ a²b³+ ab⁴+ b⁵

5a⁵+ 4a⁴b + 3a³b²+ 2a²b³+ 1 ab⁴+ b⁵

None

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The zero vector is

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[0, 0, 0]

[1, 1, 1]

[0, 1, 0]

[0, 0, 1]

For any positive integer n

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ABn = Bn A ⇔ AB = BA

ABn = Bn A⇔ A,B are square matrices and AB = BA

ABn = BnA⇔ A + B

ABn = BnA ⇔ A and B are square matries

22.5°=______

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Tan 3x tan 2x-tan x is equal to

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Tan x tan 2x tan 3x

-tan x tan 2x tan 3x

Tan x tan 2x - tan - tan x tan 3x - tan 2x tan 3x

None of these

The fifth term of an A.P. Whose first term is 5 and common difference is 3,is

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20

17

25

30

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none of these

The point lying on the terminal rat of -270° is

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(1,0)

(0,-1)

(0,1)

(-1,0)

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3

6

0

None of these

If the st. line 3x + 4y = K touches the circle x²+ y²- 10x = 0 then the value of K is

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-1 or 20

-10 or 40

-2 or 20

2 or 20

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cos 2x

2 cos 2x

2 sin2x

-2 cos2x

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Which one is quadrantal angle

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8181710°

2345°

-8181180°

-2344°

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30°

45°

60°

120°

The graph of a quadratic function is

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Circle

Ellipse

Parabola

Hexagon

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If order of A is m x n, then order of A^tis

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m x m

n x n

m x n

n x m

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A parabola

An ellipse

A hyperbola

A circle

If the exponent in the binomial expansion is 6, then the middle term is

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2nd term

3rd term

4th term

5th term

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2π+θwill have terminal side in Quad

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I

II

III

IV

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5

10

20

30

In (x + iy) x is the known as

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Imaginary part of complex number

Real part of complex number

Complex number

None of above

The axis of the parabola y²= 4ax is

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X = 0

Y = 0

X = y

X = -y

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