18 odd- 2. PAMO We mus t sholw there 18 an Af pd and Cat Calt 2) 2 To even evea 12

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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5.4. Complete sentences include suppose, consider, etc. when necessary

5.3. Disprove the statement: If n E {1,2, 3, 4, 5}, then 3| (2n2 + 1).
(n+1)(n+2)
5.4. Disprove the statement: Let n E N. If
2
n(n+1)
is odd, then
is odd.
Dionro
the otetem enti C or ouon tuwO
O ond h Co
3 2.2h |
2ah 2ch2 i h3
oitive integere
Transcribed Image Text:5.3. Disprove the statement: If n E {1,2, 3, 4, 5}, then 3| (2n2 + 1). (n+1)(n+2) 5.4. Disprove the statement: Let n E N. If 2 n(n+1) is odd, then is odd. Dionro the otetem enti C or ouon tuwO O ond h Co 3 2.2h | 2ah 2ch2 i h3 oitive integere
12:33 AM Tue Mar 9
* © 46%
+ :
prove negation truo
ave negar
on True
fest ate
for any n
tS odd
12.
Qca)) >Q
PAMO
FNEIN, Plat ()
We mus t show there is an A
f
pd and Cal Xalt 2D
To even.
2
find
N so Mati)
1
ane
even
2
>
D-
Transcribed Image Text:12:33 AM Tue Mar 9 * © 46% + : prove negation truo ave negar on True fest ate for any n tS odd 12. Qca)) >Q PAMO FNEIN, Plat () We mus t show there is an A f pd and Cal Xalt 2D To even. 2 find N so Mati) 1 ane even 2 > D-
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