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Assignments

The page references to exercises refer to the textbook by T. Apostol, Calculus, Vol. I, Second Edition (1967).





PROBLEM SET #PROBLEMSSOLUTIONS
1Due in Ses #5

1. Prove Thms I.6 and I.11 on p. 18

2. Do exercises 5 and 6 on p. 36

3. Prove by induction: (a+b)^n = \sum_{k=0}^n C_n^k a^k b^(n-k), where C_n^k = (n!)/{(k!)(n-k)!}
Solution Set 1(PDF)
2Due in Ses #8

1. Do Ex. 6, p. 28

2. Do Ex. 7, p. 64

3. Prove that the integral in Ex. 11, pp. 71 is independent of the partition, and do parts a, b, c of the exercise.
Solution Set 2(PDF)
3Due in Ses #11

1. Ex. 22b, p. 83

2. Ex. 16, p. 94

3. Ex. 10, p. 114
Solution Set 3(PDF)
4Due in Ses #17

1. Ex. 6, p. 155

2. Ex. 5, p. 149

3. Let f(x) be defined for all nonnegative x, and suppose that it is continuous, strictly increasing and bounded on its domain. Let M be the supremum of the values of f(x), x nonnegative.
(a) Show that f(x) takes on every value between f(0) and M, but does not take on the value M
(b) Show that f(x) is uniformly continuous for all nonnegative x.
Solution Set 4(PDF)
5Due in Ses #19

1. Derive the formula for the derivative of f(x)=x^{1/3} (third power root of x), for nonnegative x, directly from the definition.

2. Differentiate f(x) = ((tan^2(x) -1)(tan^4(x) +10tan^2(x) +1))/(3 tan^3(x)), assuming 0< x < 90 degrees.

3. Sketch the graph of f(x)=(x^4 - 3)/x. Find critical points, zeros, asymptotes, intervals of monotonicity, convexity, and points of inflection.
Solution Set 5 (PDF)
6Due in Ses #22

1. Ex. 17 on p. 208

2. Show that for any nonzero number k and any numbers a and b, there is at most one function f(x) defined for all real numbers and satisfying the conditions:
(a) f''(x) = -k^2 f(x) for all x
(b) f(0) =a, f'(0)=b
(Hint: If there are two such functions f(x) and g(x), consider u(x) = f(x/k) - g(x/k) and v(x) = u'(x), and show that u(x)=0, v(x)=0).
Guess the unique function that satisfies the conditions.

3. Ex. 18, 19 on p. 216
Solution Set 6(PDF)
7Due in Ses #25

1. Ex. 30, p. 224 - derive the formula

2. Ex. 27 and 30, p. 249

3. Ex. 40 on p. 258 (suggestion: trig. substitution and by parts) and find the primitive of f(x) = 1/(x sqrt(x^2 +3)) (suggestion: trig. substitution).
Solution Set 7(PDF)
8Due in Ses #28

Problem Set 8 (PDF)
Solution Set 8 (PDF)
9Due in Ses #34

1. Ex. 15, p. 399

2. Ex. 3, 12 on p. 402

3. Ex. 11, 22 on p. 409
Solution Set 9 (PDF)
10Due in Ses #38

1. (a) Between the curves y=1/x^3 and y=1/x^2 and to the right of x=1 are constructed infinitely many segments parallel to the y-axis at an equal distance from each other.
Will the sum of the lengths of these segments be finite?
(b) The same question as in (a) with the curve y= 1/x^2 replaced by the curve y= 1/x.

2. Ex. 8, 9 on p. 415

3. Ex. 14 on p. 420

4. Ex. 12 on p. 430

5. Ex. 5 on p. 438
Solution Set 10(PDF)
 


 



 








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