Application of Differentiation
TEST 2: CHOOSE THE CORRECT OPTION
* Required
NAME OF THE STUDENT
*
Your answer
NAME OF KV
*
Your answer
CLASS
*
Your answer
SECTION
*
Your answer
1. If an error of k% is made in measuring the radius of a sphere , then percentage error in its volume is
*
1 point
k%
3k%
2k%
k/3%
2. If log(4)=1.3868 , then log(4.01) =
*
1 point
1.3968
1.3898
1.3893
none of these
3. The equation of the normal to the curve y=x+sinx cosx at x=π/2 is
*
1 point
x=2
x=π
x+π=0
2x=π
4. The angle of intersection of the parabola y^2=4ax and x^2=4ay at the origin is
*
1 point
π/6
π/3
π/2
π/4
5. The minimum value of (x / logx ) is
*
1 point
e
1/e
1
none of these
6. For the function f(x) = x + 1/x
*
1 point
x=1 is a point of maximum
x=1 is a point of maximum
maximum value > minimum value
maximum value < minimum value
7. At x=5π/6 , f(x)=2 sin3x +3 cos3x is
*
1 point
0
maximum
minimum
none of these
8. The function f(x)=x^x decreases on the interval
1 point
(0,e)
(0,1)
(0,1/e)
(1/e,e)
Clear selection
9. Function f(x)= a^x is increasing on R ,if
*
1 point
a>0
a<0
0<a<1
a>1
10. If the function f(x)=x^2kx+5 is increasing on [2,4], then k lies in
*
1 point
k ϵ (2, ∞)
k ϵ (∞,2)
k ϵ (4, ∞)
k ϵ (∞,4)
Submit
Never submit passwords through Google Forms.
This content is neither created nor endorsed by Google.
Report Abuse

Terms of Service

Privacy Policy
Forms