MCQ Bank
Critical point for f(x) = -Cosx on [-pi/2,pi/2] are ------
- A) pi/2
- B) -pi/2
- C) pi/4
- D) 0
summation of (n+i) ; (i varies from 1 to 10 ) , here ‘i’ is known as the …….. of the summation.
- A) Lower limit
- B) Upper limit
- C) None of these
- D) Index
Given f(x)= 1/(x-1) on the interval (0,3) , then ‘f ’ has no relative maxima or relative minima due to………
- A) None of these
- B) Open interval
- C) Discontinuity in the interval
- D) Rational function
$\begin{align} & \text{Let a function }f\text{ is twice differentiable at a stationary point }{{x}_{0}}, \\ & \text{then }f\text{ has relative maximum at }{{x}_{0}}\,\text{if} \\ \end{align}$
- A) $\text{ }{f}''({{x}_{0}})<0$
- B) $\text{ }{f}''({{x}_{0}})>0$
- C) $\text{ }{f}''({{x}_{0}})\ge 0$
- D) $\text{ }{f}''({{x}_{0}})=0$
What are critical points of the function f(x) =x-1?
- A) None of these
- B) x=0
- C) No critical point
- D) x=1
$${\text{The integral }}\int {\cot (2x)\,dx\,} {\text{will be equal to ?}}$$
- A) $$\frac{1}{2}\ln \left| {\sec (2x)} \right| + c$$
- B) $$\frac{1}{2}\ln \left| {\sin (2x)} \right| + c$$
- C) $$\ln \left| {{\text{sec}}(2x)} \right| + c$$
- D) $${\text{ln}}\left| {\sin (2x)} \right| + c$$
Subdivision of an interval is also called ………. of the interval.
- A) Partition
- B) Evaluation
- C) Separation
- D) Composition
If the closed interval [-2,2] is divided into ‘50’ equally spaced sub-intervals then the width of each sub-interval is ------------
- A) 4/25
- B) 1/25
- C) -4/25
- D) 2/25
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 must have at least one critical point.
- B) It would not have more than one stationary point.
- C) It may or may not have a critical point.
- D) None of these.
What is the estimated area under f(x) = 9 - x2 from x = 0 to x = 4 with mid points for n = 2?
- A) 21
- B) 12
- C) 25
- D) 16
The estimated area under f(x) = x^2 + 2 from
x = 1 to x = 5 with left end points for
n = 2 is ________.
- A) 28.
- B) None of these.
- C) 76.
- D) 25.
Let f(x)=x^3 and a=-3 ,b=3 and n = no. of partition of [-3,3]= 4
Let the widths of first, second, third and fourth intervals are 2, 1, 1, 2 respectively. Then “Mesh size” of this partition of [-3,3] is-------
- A) 1
- B) 0
- C) -1
- D) 2
If Newton’s Method succeeded to get the approximate solution of an equation, then which of the following is NOT true about it.
- A) The sequence of approximated points not convergent to the exact solution
- B) The slope of the tangent line (at any approximated point) must be non zero.
- C) The tangent line (at any approximated point) is not parallel to x-axis.
- D) None of these.
For the area under the curve f(x) = x+2 from x = 2 to x = 4 with mid points approximations for n = 1, what will be the value of f(xk*) ?
- A) 6
- B) 3
- C) 5
- D) 4
1+2+3+…+539 equals _____.
- A) 538(540)/2
- B) 538(539)/6
- C) 539(540)/2
- D) 538(540)/6
‘x.ln(x/e)’ is the anti-derivative of ‘lnx’ if and only if the derivative of ‘x.ln(x/e)’ is euqal to --------
- A) ln(x/e)
- B) xln(x/e)
- C) lnx
- D) x
For the area under the curve f(x) = x+1 from x = 1 to x = 3 with mid points approximations for n = 1, what will be the value of f (xk*) ?
- A) 6
- B) 1
- C) 2
- D) 3
1+2+3+…+100 equals _____.
- A) 5050
- B) 5055
- C) 5005
- D) 5500
The area between f(x)=-x and the closed interval
[-1,0] on x-axis is ----------
- A) -1/2
- B) 1/2
- C) 2
- D) 1
f(x) = 8x-x^2 on the closed interval [0, 6]
has the critical point at x=………
- A) 4
- B) 5
- C) 1
- D) 0