In the ring Z[x]}1- The inverse of x² isa) x+1b) x2 +1c) xd) x?2- The value that replaces x* isa) x+1b) x2 +1c) xd) x23- (x+1) is equal to:a) x+1b) x2 +xc) xd) x4- (x? +x+1) (x² +x+1)is equal to:a) ob) x2+1c) x2 +x+1d) x

In the ring Z:[x] 1- The inverse of x² is a) x+1 b) x2 +1 с) х d) x2 2- The value that replaces x is a) x+1 b) x+1 с) х d) x2 3- (x+1)' is equal to: a) x+1 b) x +x c) x d) x 4- (x? +x+1) (x? +x+1)is equal to: a) 0 b) x2 +1 c) x +x+1 d) x

In the ring Z:[x] 1- The inverse of x² is a) x+1 b) x2 +1 с) х d) x2 2- The value that replaces x is a) x+1 b) x+1 с) х d) x2 3- (x+1)' is equal to: a) x+1 b) x +x c) x d) x 4- (x? +x+1) (x? +x+1)is equal to: a) 0 b) x2 +1 c) x +x+1 d) x

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Question

In the ring Z[x]}<x³ +1>
1- The inverse of x² is
a) x+1
b) x2 +1
c) x
d) x?
2- The value that replaces x* is
a) x+1
b) x2 +1
c) x
d) x2
3- (x+1) is equal to:
a) x+1
b) x2 +x
c) x
d) x
4- (x? +x+1) (x² +x+1)is equal to:
a) o
b) x2+1
c) x2 +x+1
d) x

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