If x = y (mod 2) then which of the following is true. i. x and y are both odd ii. either x or y is odd iii. either x or y is even iv. I and y are both even a) only i b) only ii & iii c) only į & iv d) All of these

If x = y (mod 2) then which of the following is true. i. x and y are both odd ii. either x or y is odd iii. either x or y is even iv. I and y are both even a) only i b) only ii & iii c) only į & iv d) All of these

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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Concept explainers

Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.

Question

1
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If x = y (mod 2) then which of the following is true.
Finish attemp
of
i.
x and y are both odd
ii.
either x or y is odd
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iv.
I and y are both even
a) only į
b)
only ii & iii
c)
only į & iv
d)
All of these
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