(g). (h) (i) Is f(A) connected? Explain. Is f(A) compact? Explain. with x € R+ = {x € R | x>0}. n For each nN, consider n = Define the sequence {gn} by gn(x) = f(xn), x R4. Find the limit function of {gn} if exists.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
Section: Chapter Questions
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Consider the function f : R → R defined by
(b)
(a)
By using definition, explain whether f is differentiable on R. Deduce
the continuity of f on R.
(c)
(d)
Evaluate
with the partition
Let f' be the first derivative of f computed in (a). Is is Riemann
integrable on [-1, 1]? Explain.
1
f'
(2) Use the formulae
(e).
(f)
(g)
(h)
(i)
-∞.
f(x) =
2 1
f'(x)
Hint: (1) Each (sub)interval is given by
n
Σ
1
Pn = {1, fill in, the blank
WI
dx by using the definition of Riemann integral
1
(n + i - 1)²
,2}, ne N.
fill in, the blank ], 1≤i≤n.
1
7
3
2n 8n² 48n³
+
+0
n.5
n
1
1
3
7
5 '' ਫੈਨ ਲੱਦ ਲੰਬਰ ()
Σ
+
+
2n 8n² 48n3
+0
(n + i)²
i=1
Determine the range f(A) where A = (a, 0] for some fixed a < 0, a ‡
Determine the supremum sup(ƒ(A)\{0}), if exists.
Is f(A) open in R? Explain.
Is f(A) connected? Explain.
Is f(A) compact? Explain.
X
n
For each nN, consider n = with x € R+ = {x € R | x > 0}.
Define the sequence {gn} by gn(x) = f(xn), x € R+. Find the limit function
of {n} if exists.
Transcribed Image Text:Consider the function f : R → R defined by (b) (a) By using definition, explain whether f is differentiable on R. Deduce the continuity of f on R. (c) (d) Evaluate with the partition Let f' be the first derivative of f computed in (a). Is is Riemann integrable on [-1, 1]? Explain. 1 f' (2) Use the formulae (e). (f) (g) (h) (i) -∞. f(x) = 2 1 f'(x) Hint: (1) Each (sub)interval is given by n Σ 1 Pn = {1, fill in, the blank WI dx by using the definition of Riemann integral 1 (n + i - 1)² ,2}, ne N. fill in, the blank ], 1≤i≤n. 1 7 3 2n 8n² 48n³ + +0 n.5 n 1 1 3 7 5 '' ਫੈਨ ਲੱਦ ਲੰਬਰ () Σ + + 2n 8n² 48n3 +0 (n + i)² i=1 Determine the range f(A) where A = (a, 0] for some fixed a < 0, a ‡ Determine the supremum sup(ƒ(A)\{0}), if exists. Is f(A) open in R? Explain. Is f(A) connected? Explain. Is f(A) compact? Explain. X n For each nN, consider n = with x € R+ = {x € R | x > 0}. Define the sequence {gn} by gn(x) = f(xn), x € R+. Find the limit function of {n} if exists.
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