Question # 1

A quadratic equation has two

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roots

degree

variables

constants

Domain of 2 cos x is ______

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[-2, 2]

R

Negative real numbers

None of these

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2

4

6

8

One second is denoted by

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1⁰

1'

1"

1 rad

For an A.P common difference d

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Can be zero

May or may not zero

Cannot be zero

None of these

A and B be two square matrices and if their inverse exist the (AB)-1 =

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A-1 B-1

AB-1

A-1B

B-1A-1

The two lines y = 2x and x =2y are

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Parallel

Perpendicular

Equally inclined with axes

Congruent

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Every term of a G.P. is positive and also every term is the sum of two preceding terms. Then the common ratio of the G.P. is

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If one root of the equation ix²- 2(i + 1) x +(2 - i) = 0 is 2 - i, then the other root is

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-i

2 + i

i

2 - i

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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