Question # 1

Choose an answer

x²+ 2

3x + 2

3x²+ 5

3x²+ 2

If∱(x) = 2x³ + 1 then∱¹(0) =

Choose an answer

0

1

6

None of these

∱(x) = ax²-3x -5, and∱¹(2) = 9, a is equal to

Choose an answer

2

3

-2

4

Choose an answer

None of these

Choose an answer

If 3x + 4y +7 = 0 , then dy / dx =

Choose an answer

-1/2

-4/3

7/2

-3/4

Choose an answer

100

-100

0

-101

Choose an answer

If y = (7x + 9)², then dy/dx equals:

Choose an answer

98x +126

14x

14x +18

14x+81

If f(x) = c then∱¹(x) equals:

Choose an answer

1

0

cx

c

If ∱(x) = x^2/3then∱¹(x) at x = 8 equals:

Choose an answer

8

1/8

1/3

2/3

If∱(x) = 1/x-2 then∱¹(0) equals:

Choose an answer

-1/4

-3/2

-1/2

1/5

Choose an answer

-2x

x^-3

-2x³

Choose an answer

If y = xⁿthen dy/dx equals:

Choose an answer

nx

x^n-1

nx^n-1

n

Choose an answer

0

8

5

9

The derivative of√x at x =a is:

Choose an answer

1/2a

2 / √a

2√x

1 / 2√x

d/dx (cos x sin x) =

Choose an answer

cos² x - sin² x

2cos²x + sin² x

2cos² x - sin² x

1 - sin²x

Choose an answer

2x

x/2

2x³

x³/2

Choose an answer

8

1/8

1/3

2/3

Choose an answer

mx

x/m

mx^m-1

xm^m-1

If y = 1/x²then dy/dx equals:

Choose an answer

-2x

x^-3

-2/x³

-2x³

Choose an answer

d / dx (cot x) =

Choose an answer

Sec x tan x

-csc² x

Sec² x

1/cot² x

If∱(x) = x^-100the value of∱¹(1) is:

Choose an answer

100

-100

0

-101

If∱(x) = c then∱^{1 (x0 equals:}

Choose an answer

1

0

cx

c

if x∈ D∱ and∱¹^{(x) exists, then}∱ is said to be

Choose an answer

zero at x

Differentiable at x

Continuous at x

None of these

More Classes

Other Links

ECAT Pre General Science Mathematics Chapter 18 Basic Concepts & Definitions Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer