Question # 1

If the matrices A and B have the order 1 x 10 and 10 x 1 then order of AB is

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1 x 1

1 x 10

10 x 10

10 x 1

(a,0) x (c, 0) =

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(0,ac)

(ac, 0)

(0,0)

(a, c)

The transpose of a column matrix is a ______

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Zero matrix

Diagonal matrix

Column matrix

Row matrix

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- cot 4x + c

cot 4x + c

tan 4x + c

- tan 4x + c

The number of subsets of B = {1,2,3,4,5}

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10

32

16

5

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If A = |aij| is (m x n) matrix then transpose of A is of the order

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m x m

m x n

n x n

n x m

If the cutting plane is slightly tilted and cuts only one nappe of the cone, the intersection is

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an ellipse

a hyperbola

a circle

a parabola

The law of cosines reduces to a2 +c2 =b2 for

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α = 90°

β = 90°

γ = 90°

α +β +γ =180°

if the value of the sphere, v =4/3πr²^, then the which of the following statement is true?

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r is the function of v

v is the function ofπ

π is independent variable

None of these

The modulus of a vector i-i+ k is:

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√3

1

√2

∞

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