Thursday, 23 January 2020

Solution of Quiz 3 MTH 101

Yeh quiz 23-01-2020 ka hy.
Is ko check kr lo . Kafi repeat hotay hn. Achi tyari ho jay gi.
 Answers 100 fi sad correct hn

Question # 1 of 10

 ( Start time: 03:43:28 PM ) Total Marks: 1

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……..
Select correct option

0
2
3
4
            Answer: A


Question # 2 of 10
 ( Start time: 03:44:36 PM ) Total Marks: 1
‘x.ln(x/e)’ is the anti-derivative of ‘lnx’ if and only if the derivative of ‘x.ln(x/e)’ is euqal to --------
Select correct option
x

xln(x/e)

lnx

ln(x/e)
               Answer: C


Question # 3 of 10 
( Start time: 03:45:24 PM ) Total Marks: 1
Integral of (5/2)cos(x) is
Select correct option
(3/2)csc(x)+C                    
(5/2)tan(x)+C
(5/2)sin(x)+C                     
None of these
                 Answer: C


Question # 4 of 10 
( Start time: 03:45:45 PM ) Total Marks: 1
summation of (n+i) ; (i varies from 1 to 10 ) , here ‘i’ is known as the …….. of the summation.
Select correct option
Index 
Lower limit
Upper limit
None of these
             Answer: A



Question # 5 of 10 
( Start time: 03:46:13 PM ) Total Marks: 1
The estimated area under f(x) = x^2 + 2 from x = 1 to x = 5 with right end points for n = 2 is ________.
Select correct option
30.
28.
50.
76. 
            Answer: C



Question # 6 of 10 
( Start time: 03:46:53 PM ) Total Marks: 1
(1^3)+(2^3)+(3^3)+….+(20^3) equals --------- NOTE: x^n means ‘x’ to the power ‘n’
Select correct option
42925  
34548
44100
None of these      
                Answer: C


   

Question # 7 of 10 
( Start time: 03:47:40 PM ) Total Marks: 1
If the definite integral of f(x)=3 over [1,x] is greater than ‘12’ then -----
Select correct option
x>12
x>5
x>3
x>1
           Answer: B



Question # 8 of 10 
( Start time: 03:48:15 PM ) Total Marks: 1
x=1 is a critical value of the function. f(x)=(x-1)^3 NOTE: x^n means ‘x’ to the power ‘n’
Select correct option
False
 True          
          Answer:    B                    



Question # 9 of 10 
( Start time: 03:48:42 PM ) Total Marks: 1
If f(x) =cos(x) then mean value theorem can be applied on this in the interval (pi/2, 3pi/2)
Select correct option
True                                       
False
               Answer: A


Question # 10 of 10 
( Start time: 03:49:00 PM ) Total Marks: 1
If x =(1+2+3+...+10)+{(1^3)+(2^3)+(3^3)+...+ (10^3)}, then x = _______.
Select correct option
110. 
55.
3025.
3080.
               Answer:. D








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