(b) Prove that for every n e Z, n³ +n is even. (c) Prove that for all ne Z, n is odd if and only if n + 2 is odd. (d) Prove that the product of two consecutive integers is even.
(b) Prove that for every n e Z, n³ +n is even. (c) Prove that for all ne Z, n is odd if and only if n + 2 is odd. (d) Prove that the product of two consecutive integers is even.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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PS: Please answer all the subparts correctly as they are both connect in the same questions in word processing not handwritten on JPEG Format.
7. (a) Prove that m3+ 2n2 = 36 has no solution in positive integers.
![(b) Prove that for every n e Z, n³ + n is even.
(c) Prove that for all ne Z, n is odd if and only if n + 2 is odd.
(d) Prove that the product of two consecutive integers is even.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd7446b29-e170-4308-9716-e8669e65fa9c%2F4c7279de-9a16-42dc-a6e8-5140556e1f32%2Frzt2k5d_processed.png&w=3840&q=75)
Transcribed Image Text:(b) Prove that for every n e Z, n³ + n is even.
(c) Prove that for all ne Z, n is odd if and only if n + 2 is odd.
(d) Prove that the product of two consecutive integers is even.
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