5. Prove Theorem 4.2.1 (a) Suppose that s,} and {t, are sequences of real numbers, with lim s, = s and lim t, =t, then lim (s, +t,) = s+t with lim s and

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Math 4303 Homework Section 4.2 Limit Theorems
1. Use the limit theorems (or homework from 4.1) to show that lim
2n – 4n² –5
converges. Hint: Do not
nm - 3n' +7n +1
use the definition.
2. Use the limit theorems (or homework from 4.1) to show that lim
5n2+4n
converges. Hint: Do not use the
n00 7n3+6
definition.
2an
3. Use the limit theorems (or homework from 4.1) to show that lim
n100 32n Converges. Hint: Do not use the
definition.
4. Use the limit theorems (or homework from 4.1) to show that lim (Vn2 + n – n) converges. Hint: Do not
n00
use the definition.
5. Prove Theorem 4.2.1 (a) Suppose that s,} and {t,} are sequences of real numbers, with lim s, =s and
lim t, =t, then lim (s, +t,) = s +t
6. Prove Theorem 4.2.1 (c) Suppose that s,} and {t,} are sequences of real numbers, with lim s, = s and
lim t, =t, then lim (s, t,) = st
7. Prove Theorem 4.2.1 (c) Suppose that s, and t, are sequences of real numbers, with lim s, =s and
lim t, =t, lim
カー→の t。
provided t, # 0, t#0 Vn
8. Prove: Theorem 4.2.7 (The Ratio Test) Suppose {x,
is a sequence of positive terms where
lim
= L <1 Then lim x, =0
1→の
OFocus
Transcribed Image Text:from the Internet can contain viruses. Unless you need to edit, it's safer to stay in Protected View. Enable Editing Math 4303 Homework Section 4.2 Limit Theorems 1. Use the limit theorems (or homework from 4.1) to show that lim 2n – 4n² –5 converges. Hint: Do not nm - 3n' +7n +1 use the definition. 2. Use the limit theorems (or homework from 4.1) to show that lim 5n2+4n converges. Hint: Do not use the n00 7n3+6 definition. 2an 3. Use the limit theorems (or homework from 4.1) to show that lim n100 32n Converges. Hint: Do not use the definition. 4. Use the limit theorems (or homework from 4.1) to show that lim (Vn2 + n – n) converges. Hint: Do not n00 use the definition. 5. Prove Theorem 4.2.1 (a) Suppose that s,} and {t,} are sequences of real numbers, with lim s, =s and lim t, =t, then lim (s, +t,) = s +t 6. Prove Theorem 4.2.1 (c) Suppose that s,} and {t,} are sequences of real numbers, with lim s, = s and lim t, =t, then lim (s, t,) = st 7. Prove Theorem 4.2.1 (c) Suppose that s, and t, are sequences of real numbers, with lim s, =s and lim t, =t, lim カー→の t。 provided t, # 0, t#0 Vn 8. Prove: Theorem 4.2.7 (The Ratio Test) Suppose {x, is a sequence of positive terms where lim = L <1 Then lim x, =0 1→の OFocus
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