Question # 1

For non-trival solution |A| is

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non zero

A = 0

|A| = 0

At = 0

The distance between the points (2,3) and (3,2) is

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5

2

10

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Addition

Multiplication

Division

Both addition and multiplication

2x³+ 3x + 9 is a ______

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Polynomial of degree 3

Quadratic equation

Cubic equation

Polynomial of degree 2

Write down the power set of {9, 11}

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A

A'

U

If 0 = {1,3,5.......}, then n (0) =

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99

odd integers

Even numbers

Infinite

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

The central angle of an arc of a circle whose length is equal to the radius of the circle is called one

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Degree

Second

Minute

Radian

sin (α +β)=

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sinαcosβ- cosαsinβ

sinαcosα- cosβsinβ

sinαcosα+ cosβsinβ

Which of the following is a scalar.

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electric field

magnetic field

weight

mass

If a (p + q)²+ bpq +c = 0 and a (p + r)²+ 2 bpr + c = 0, then qr equals

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p²+ c/a

p²+ a/c

p²+ c/a

p²- c/a

Coordinates of the focus of the parabola x² - 4x -8y-4=0 are:

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(0,2)

(,0,1)

(2,0)

(1,2)

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1

-1

0

None of these

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At

-A

A

A-1

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The formula an = a +(n-1)d for an A.P is called

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nth term of an A.P

Sum of first n terms

A,M between a and b

None of the above

∀x∈(a,b),f(x) is increasing if

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f′(x) >0

f′(x) <0

f′′(x) >0

f′′(x) =0

If P is a whole number greater than 1, which has only P and I are factors. Then P is called

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Wholw number

Prime number

Even number

Odd number

H.M. between 3 and 7 is

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The exact value of cos-1 (0) is

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π/2

-π/2

3π

π-π/6

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The third term in the expansion of (1+2x) is

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-2x2

-4x2

2x2

4x2

The set of real numbers is a subset of

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The set of natural numbers

The set of rational numbers

The set of integers

The set of complex numbers

The solution of the equation cos²θ+ sinθ+ 1 = 0 lies in the interval

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Every real number is

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a positive integer

a rational number

a negative integer

a complex number

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x^-2+ c

not possible

5x³+ 3x - is a ______

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Polynomial of degree 3

Polynomial of degree 2

Polynomial of degree 1

Polynomial of degree 0

The√ is used for the

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Positive square root

Negative square root

+ve and -ve square root

Whole number

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