Question # 1

Group of none-singular matrices under multiplication is

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None-Abelian group

Semi group

Abelian group

None of these

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2C

C³

1

0

There may be ______ feasible solution in the feasible region

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Infinite

Finite

Defined

None of above

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A matrix with a single row is called a

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Column matrix

Row matrix

Null matrix

Identity matrix

x = _________ is in the solution of 2x + 3 < 0

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0

2

-1

-2

If l, m, n are the d.c.'s of a line, then

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l2+ m2+ n2= 0

l2+ m2+ n2= 1

l + m + n = 1

l = m = n = 1

Cos (cos4π/3)=

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π/2

π/3

2π/3

-π/3

The different of tan x is

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sec2 x

ln |sec x|

sec2 xdx

-cos ec2 x

The coefficient of xn in the expansion of (1-x)-1 is

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(-1)n2n

1

(-1)n(n+1)

(n+1)

f(x) = 2x²+ 3x + 5 is a

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trigonometric function

algebraic function

exponential function

logarithmic function

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