Question # 1

If 2x^1/3+ 2x^-1/3= 5, then x is equal to

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1 or -1

2 or 1/2

8 or 1/8

4 or 1/4

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cos x

- sin x

- cos x

tan x

A quadratic equation in x is an equation that can be witten in the form

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ax²+ b = 0

ax³ +b²+c=0

ax² +bx+c=0

ax³ +bx³+cx=0

The sum of all even numbers less than 100 is

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2450

2352

2272

2468

The period of 3 sin x is

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2π

9π

3π

5π

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15

9

7

8

π is the ration of

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Area of a circle to its diameter

Area of a circle to its radius

Circumference of a circle to its diameter

Circumference of circle to its radius

The number z so that the triangle with vertices A(1,-1,0),B(-2,2,1)and C(0,2,z) is a right triangle with right angle at vertex C

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1,2

-1,-2

2,-1

-2,1

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The numbers of G₁, G₂, G₃...... G_nare called n geometric means between a and b is a, G₁, G_2,G₃, ... G_n, b are in

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H.P.

A.P.

G.P.

None of these

The area under the curve y = 1/x² between x = 1 and x =4 is:

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-25

0.75

-0.35

-10

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I and III quadrants

II and III quadrants

I and II quadrants

II and IV quadrants

The mid point of the line segment joining the points (3,-1) and (-3,1) is

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(3,-1)

(0,0)

(2,2)

(4,4)

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1.5

1.2

8

None of these

For all points (x,y) in fourth quadrant

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x > 0 , y < 0

x > 0 , y > 0

x < 0 , y < 0

x < 0 , y > 0

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Which is an explicit function

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y = x²+ 2x - 1

x²+ xy + y²= 2

x²+ y²= xy + 2

All are

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The term independent of x is the expansion (x³+1/x)¹²

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295

495

395

722

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An empty set

Universal set

A singleton set

None of these

If the 4th term in the expansion of (px + x^-1)^mis 2.5 for all x∈ R, then

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The law of tangents is ______

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A^-

A^t

-A

A

sin²αcos²α=

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-1

0

1

None of these

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Improper rational fraction

Proper rational fraction

Polynomial

Equation

The centre of the circle x2+y2 -2fx-2gy+x=0 is

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(-g,-f)

(g,f)

(f,g)

(-f,-g)

A ________ divides the plane into left and right half planes.

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Vertical line

Horizontal line

Non vertical line

Inequality

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The process of finding the unknown elements in triangle is called the

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solution of the triangle

Mean differnece

Engineering distance

angle of depressin

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