Question # 1

The number of solution of the equation tan x + sec x = 2 cos x lying in the interval [0, 2π] is

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0

1

2

3

To each element of a group there corresponds ______ inverse element

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Two

One

No

Three

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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

Range of y = sec x is

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-1≤ y≤ 1

y≥ 1 or y≤ -1

y≤ 1or y≥ -1

-∞ < y < +∞

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The distance of the point (-2, -3) from the origin is

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2

-5

-3

A point (x,y) which satisfy a linear inequality in two variables form its

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Solution

Domain

Range

None

The equation of the plane which bisects the line joining (2, 3, 4) and (6, 7, 8) is

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x + y + z - 15 = 0

x - y + z - 15 = 0

x - y - z - 15 = 0

x + y + z + 15 = 0

The direction cosines of y-axis are

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1, 0, 0

0, 1, 0

0, 0, 1

1, 1, 1

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