MCQ Bank
The Area $A$ of the region $S$ that lies under the graph of the continuous function $f$ is the limit of the sum of the areas of approximating rectangles:
- A) $A = \mathop {\lim }\limits_{n \to \infty } {R_n} = \mathop {\lim }\limits_{n \to \infty } \left[ {f\left( {{x_1}} \right)\Delta x + f\left( {{x_2}} \right)\Delta x + \ldots + f\left( {{x_{n - 1}}} \right)\Delta x} \right]$
- B) $A = \mathop {\lim }\limits_{n \to \infty } {R_n} = \mathop {\lim }\limits_{n \to \infty } \frac{1}{{\Delta x}}\;\left[ {f\left( {{x_1}} \right) + f\left( {{x_2}} \right) + \ldots + f\left( {{x_n}} \right)} \right]$
- C) $A = \mathop {\lim }\limits_{n \to \infty } {R_n} = \mathop {\lim }\limits_{n \to \infty } \left[ {f\left( {{x_1}} \right) + f\left( {{x_2}} \right) + \ldots + f\left( {{x_n}} \right)} \right]$
- D) $A = \mathop {\lim }\limits_{n \to \infty } {R_n} = \mathop {\lim }\limits_{n \to \infty } \Delta x\left[ {f\left( {{x_1}} \right) + f\left( {{x_2}} \right) + \ldots + f\left( {{x_n}} \right)} \right]$
If f(x) = Sec^ (2) x + x^3, then which of the following is NOT true about it.
- A) Its anti – derivative is Tan(x) + x^4/4 + 15.
- B) Its anti – derivative is Tan(x) + x^4/4 + 10.
- C) Its anti – derivative is Tan(x) + x^4/4 + 12.
- D) None of these.
What is the estimated area under f(x) = 2x from x = 0 to x = 4 with right end points for n = 2?
- A) 8
- B) 24
- C) 18
- D) 10
The area between f(x)=-x and the closed interval
[-1,0] on x-axis is ----------
- A) 1
- B) 1/2
- C) -1/2
- D) 2
The estimated area under f(x) = x from
x = 0 to x = 3 with right end points for
n = 3 is ________.
- A) 6.
- B) 7.
- C) None of these
- D) 5.
$${\text{The integral }}\int {\frac{{10x}}{{{{(5{x^2} + 1)}^2}}}\,dx\,} {\text{will be equal to ?}}$$
- A) $$- \frac{1}{{5x + 1}} + c$$
- B) $$- \frac{1}{{{{(5{x^2} + 1)}^3}}} + c$$
- C) $$- \frac{1}{{5{x^2} + 1}} + c$$
- D) $$\frac{1}{{5{x^2} + 1}} + c$$
Given f(x)= 1/(x-1) on the interval (0,3) , then ‘f ’ has no relative maxima or relative minima due to………
- A) Open interval
- B) Discontinuity in the interval
- C) Rational function
- D) None of these
Let f(x)=x^3 and a= -5 ,b=5 and n= no. of partition of [-3,3]=4
Let the widths of first, second, third and fourth intervals are 3,0,1,2 respectively. Then the “Mesh size” of partition is……………
- A) 3
- B) 0
- C) 1
- D) 2
1+2+3……….+1000 equals -------
- A) 500500
- B) 1000
- C) None of these
- D) 3000
Approximation to an area improves as number of partitions is decreased.
- A) True
- B) False
- C)
- D)
$\text{A line }y={{y}_{\text{0}}}\text{ is called a horizontal asymptote for the graph of function }f\text{ if}$
- A) $\underset{x\to +\infty }{\mathop{\lim }}\,f(x)=0$
- B) $\underset{x\to +\infty }{\mathop{\lim }}\,f(x)=\infty$
- C) $\underset{x\to +\infty }{\mathop{\lim }}\,f(x)={{y}_{0}}$
- D) $\underset{x\to 0}{\mathop{\lim }}\,f(x)={{y}_{0}}$
13+23+33+…+153 equals _____.
- A) 15(16)2/2
- B) [15(16)]2/2
- C) 15(16)/22
- D) [15(16)/2]2
If the function f(x)= (x^2)+1 satisfies all the conditions of Rolle’s theorem in the interval [-1,1] , then the value of ‘c’ will be……..
- A) 2
- B) 0
- C) 4
- D) 3
If a function f(x) is defined on an interval
[a, b] satisfying the conditions of the Rolle’s Theorem, then which of the following is true about it.
- A) It may or may not have a critical point.
- B) None of these.
- C) It must have at least one critical point.
- D) It would not have more than one stationary point.
If the graph of $f$ lies below all of its tangents on an interval $I$,then it is called___________ on $I$.
- A) constant function
- B) concave upward
- C) None of these
- D) concave downward
The estimated area under f(x) = x^2 + 2 from
x = 1 to x = 5 with right end points for
n = 2 is ________.
- A) 28.
- B) 76.
- C) 50.
- D) 30.
The indefinte integral of ‘cos (x) – sin (x)’ is………………
- A) cos (x) .sin (x) +c
- B) -cos (x) + sin (x) +c
- C) -cos (x) – sin (x)+c
- D) cos (x) +sin (x)+c
Which of the following is the regular partition of the interval [0,2]?
- A) [0,0.5],[0.5,1.25],[1.25,1.50],[1.50,2]
- B) [0,0.50],[0.50,1],[1,1.50],[1.50,2]
- C) [0,0.25],[0.25,1],[1,1.50],[1.50,2]
- D) [0,0.25],[0.25,0.75],[0.75,1.25],[1.25,2]
If f(x) =cos(x) then mean value theorem can be applied on this in the interval (pi/2, 3pi/2)
- A) True
- B) False
- C)
- D)
What will be the value of summation of k3 where k goes from 9 to 10
- A) 1729
- B) 1998
- C) 1081
- D) 1100