Question # 1

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Y = -x log x -x + c

Y = x log x + x

Y = x log x - x + c

None of these

A monoid (G, *) is said to be group if

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have identity element

is commutative

have inverse of each element

None of these

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real number

complex number

rational number

irrational number

The symbol of irrational is

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W

N

Q

Q'

Consider the equation px2 + qx + r = 0 where p,q,r are real The roots are equal in magnitude but opposite in sign when

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q = 0, r = 0,p ≠ 0

p = 0,qr≠ 0

r = 0,pq≠ 0

q = 0, pq≠ 0

The value of the expression sinθ+ cosθlies between

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A relation in which the equality is true only for some values of the known is called ______

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An identity

An equation

A polynomial

None of these

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a = 2, b = 3

a = 3, b = 2

a = 2, b = 1, 2

a = 3, b = 3

The equation of the circle with centre (5, -2) and radius 4 is

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(x-5)²+ (y+2)²= 16

(x-5)²+ (y+2)²= 4

(x-5)²+ (y-2)²= 16

(x-5)²+ (y-2)²= 4

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0

1

8

∞

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Every prime number is also

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Rational number

even number

Irrational number

multiple of two numbers

Which of the following is the equation of a line with slope 0 and passing through the point (4,3)

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X =4

X = -4

Y = 3

Y = -6

Sin-1 (√2/2)=?

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π/2

π/3

3π/4

2π

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