Question # 1

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w^-12= ______

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0

1

w

w²

Every identity matrix is

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Row-vector

Scalar

Column-vector

All

The multiplicative inverse of 4 is

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-4

-1/4

1/4

1

For f(x) = x² + px +1, if f(3) = 3 then P =

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3/7

-2/5

-7/5

-7/3

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The set R is ______ w.r.t subtraction

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Not a group

A group

No conclusion drawn

Non commutative group

If w is a cube root of unity then 1 + w + w²= ______

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1

2

0

-1

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trigonometric equation

conditional equation

identity

None

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F(x) = xx decreases in the interval

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(0,e)

(0.1)

(-∞.0)

None

The conic is a parabola if

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e <1

e > 1

e = 1

e = 0

If P(E) is the probability that can event will occur then P(E)=

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1

0.5

2

0

Multiplicative inverse of "1" is

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4

3

2

1

If in isosceles right angled triangle one side is a then hypotenuse is

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a√2

a/2

a

Cannot be determined by given

∫1/ax +b dx =

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1/a log |ax + b| +c

Log |ax + b| +c

1/b log |ax +b| +c

1/x log |ax + b| +c

Which of the following is not defined?

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Arcsin 1/9

ArcCos (-4/3)

Arctan 11/12

Arccot (-4)

√23 is

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A rational number

A irrational number

An even integer

A factor of 36

d/dx [cos x²] =________

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-2x cos x²

-2x² sin x²

x² sin x

-2x² sin x²

0 (zero) is

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A irrational number

A rational number

A negative integer

A positive number

If x² +y² = 4, Then dy/dx =

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2x +2y

4 -x²

-x/y

y/x

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