Question # 1

Two quadratic equation in which xy term is missing and the coefficients of x²and y²are equal, give a linear equation by ______

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Addition

Subtraction

Multiplication

Division

Two sets A and B are said to be disjoint if

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If cos^-1p + cos^-1q + cos^-1r =πthen p²+ q²+ r²+ 2pqr is equal to

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3

1

2

-1

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0

1

-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

1 radian = ______

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180°

90°

57.296°

60°

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a^x

a^xIn a

If A and B are two matrices such that AB = B and BA = A then A2 + B2 =

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2 AB

2 BA

A + B

AB

A dice is rolled. The probability that the dots on the top are greater than 4 is

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1/6

1/3

1/2

1

Period of tan 4x is ______

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quadratic function

constant function

linear function

exponential function

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