Question # 1

The middle term in the expansion of (1+x)^1/2 is:

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T₂

T₃

does not exist

none of these

2 cos α sin ß =

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cos (α + ß) + cos (α - ß)

sin (α + ß) + sin (α - ß)

sin (α + ß) - sin (α - ß)

cos (α + ß) + cos (α - ß)

The multiplicative identity of real numbers is:

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0

1

2

-1

In a triangle ABC if a² - b² + c² = ac then < ß =

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The domain of principal tangent function is:

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Probability of an impossible event is:

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0

1

-1

∞

Four fourth roots of 625 are:

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±5,±5i

±5,±25i

±25,±25i

none of these

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cancellation property w.r.t multiplication

cancellationproperty w.r.t addition

multiplicativeproperty

additiveproperty

The trivial solution of the homogeneous linear equations is:

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(1, 0, 0)

(0, 1, 0)

(0, 0, 1)

(0, 0, 0)

Factors of x² + y² are:

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(x + iy) (x - iy)

(x + y) (x - y)

(x + y) (x + y)

none

Sequences are also called:

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Series

Progressions

Means

Convergence

The value of ⁵C₂ is:

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1

10

20

30

No. of ways of solving a quadratic equation:

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1

3

2

4

The number of diagonals of a polygon with n sides is:

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none of these

No. of arrangements of the letters of the word PAKPATTAN can be made, taken all together ?

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15130

15120

1512

none of these

Number of terms in the expansion of (a+b)ⁿ is:

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n

n+1

n-1

none of these

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The amplitude and period of 3 sin x are:

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3, π

2, 2π

3, 3π

3, 2π

csc (2π - Θ), where Θ is a basic angle, will have terminal side in:

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quad. I

quad. II

quad. III

quad. IV

- 72° = ___________________:

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none of these

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