Question # 1

If z₁ =√-36 ,z₂ =√-25,z3 =√-16 then

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15

15i

-15i

-15

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images

pre-images

constants

none of these

An integral of 1/x dx is:

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1/x²

1/-x²

1/lnx

lnx

If 5,7 and 9 are A.Ms between a and b, then a and b is equal to

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2 and 12

1 and 10

3 and 11

-7 and 2

The equation of a line parallel to the tangent to the circle x²+ y²= 16 at the point (2, 3) and passing thro' the origin is

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2x + 3y = 0

2x - 3y = 0

3x + 2y = 0

3x - 2y = 0

If the roots of x²+ ax + b = 0 are non-real, then for all real x, x²+ ax + b is

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Negative

Positive

Zero

Nothing can be said

The two different parts of the hyperbola are called its

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Vertices

Directrices

Nappes

Branches

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Range of cosecθis

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W - {y | -1 < y < 1}

R - {y | -1 < y < 1}

O - {y | -1 < y < 1}

R

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Associative law of addition

Commutative law of addition

Additive identity

Closure law of addition

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Mathematics General Science Test Medium Mode MCQs With Answers

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