2. Describe the following sets:4Z n 6Z = {x E Z: x E 4Z and x E 6Z}• 4ZU 6Z{x E Z: x E 4Z or x E 6Z}• 4Z + 6Z = {h+k: h E 4Z and k E 6Z}.For each of set S, either prove that the set is a subgroup of (Z, +), or disprove the claimby means of a counterexample.

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Answered: 2. Describe the following sets: 47 η 6Z…

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2. Describe the following sets: 47 η 6Z = Ζ: π ε 47 and πε 6Z)

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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Coordinate Geometry

Coordinate geometry, also known as analytic geometry or Cartesian geometry in classical mathematics, is a type of geometry that is studied using a coordinate system. Coordinate geometry is a branch of mathematics that describes the position of points on a plane using an ordered pair of numbers called coordinates.

Question

2. Describe the following sets:
4Z n 6Z = {x E Z: x E 4Z and x E 6Z}
• 4ZU 6Z
{x E Z: x E 4Z or x E 6Z}
• 4Z + 6Z = {h+k: h E 4Z and k E 6Z}.
For each of set S, either prove that the set is a subgroup of (Z, +), or disprove the claim
by means of a counterexample.

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QN.1) ( gmplicit. value of az differencintin) Find the at the given be poin t Sin Cuay )+ sin Cy12)+ sin Lz+x)=0; (a,A,A,