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Assignment II∗ Sayyid Mohammed Hasan February 14, 2014 ∗ Last date for submission 3 March 2014, within class timings. 1 Prob 1 Find the intervals in which f (x) = |x−2| x2 is strictly increasing and strictly decreasing. Prob 2 Evaluate the limit: lim n→∞ 1 sec2 n2 1 n2 + 2 sec2 n2 4 n2 + ... + 1 sec2 1 n Prob 3 Find the Integral: sin8 x − cos8 x dx 1 − 2 sin2 x cos2 x Prob 4 Discuss the Application and conclusion of Lagranges’s Mean Value Theorem on the function f (x) = |x| on interval [−1, 1]. Prob 5 If y = sin−1 x + sin−1 √ 1 − x2 then find dy dx . Prob 6 Find the value of log3 log3 log9 729 + 3 log√3 3. Prob 7 Find the maximum value of the function f (x) = 1 + 2 sin x + 3 cos2 x , 0 ≤ x ≤ 2π/3. Prob 8 Find the minimum value of f (x) = x2 −x+1 x2 +x+1 . Prob 9 For what values of a and b lim x→∞ x2 + 1 − ax − b x+1 = 0. Prob 10 Find the Integral: 1 2 x3 2 + x3 1 4 dx ***********END********** 1

Assignment II∗
Sayyid Mohammed Hasan
February 14, 2014
∗ Last
date for submission 3 March 2014, within class timings.
1
Prob 1
Find the intervals in which f (x) =
|x−2|
x2
is strictly increasing and strictly decreasing.
Prob 2
Evaluate the limit:
lim
n→∞
1
sec2
n2
1
n2
+
2
sec2
n2
4
n2
+ ... +
1
sec2 1
n
Prob 3
Find the Integral:
sin8 x − cos8 x
dx
1 − 2 sin2 x cos2 x
Prob 4
Discuss the Application and conclusion of Lagranges’s Mean Value Theorem on the function f (x) = |x| on
interval [−1, 1].
Prob 5
If y = sin−1 x + sin−1

1 − x2 then find
dy
dx .
Prob 6
Find the value of log3 log3 log9 729 + 3 log√3 3.
Prob 7
Find the maximum value of the function f (x) = 1 + 2 sin x + 3 cos2 x , 0 ≤ x ≤ 2π/3.
Prob 8
Find the minimum value of f (x) =
x2 −x+1
x2 +x+1 .
Prob 9
For what values of a and b
lim
x→∞
x2 + 1
− ax − b
x+1
= 0.
Prob 10
Find the Integral:
1
2
x3 2 + x3
1
4
dx
***********END**********
1


 

Grade:11

2 Answers

Girish Kadam
askIITians Faculty 14 Points
10 years ago
Dear Student, The question is not clear due to the alignment. Please post the question again so that we can get a clear picture. askIITian Faculty
Girish Kadam
askIITians Faculty 14 Points
10 years ago
Dear Student, Question is not clear due to the alignment. Please post the question again in a proper order. Also don`t post two questions in the same thread as it creates confusion. askIITian faculty.

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