2.3.1. Find the distance d between each pair of real numbers, (a) 2 and -5, (b)-6 and 3, (c) 2 and 8, (d) 3 and -3, (f) -7 and -9, 2.3.2Find all integers n such that: (a) 3<2n-4<10 (b) 1<6-3n<13 2..3.3Rewrite (a) A=[-1,6) (b) (2,5) each interval in set -builder form: (c) [-3,0] (d) (1,4]

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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Please solve these mathematical problem. 

2.3.1. Find the distance d between each pair of real numbers,
(a) 2 and -5, (b)-6 and 3, (c) 2 and 8, (d) 3 and -3, (f) -7 and -9,
2.3.2Find all integers n such that: (a) 3<2n-4<10 (b) 1<6-3n<13
2..3.3Rewrite
(a) A=[-1,6) (b) (2,5)
each interval in set -builder form:
(c) [-3,0]
(d) (1,4]
Transcribed Image Text:2.3.1. Find the distance d between each pair of real numbers, (a) 2 and -5, (b)-6 and 3, (c) 2 and 8, (d) 3 and -3, (f) -7 and -9, 2.3.2Find all integers n such that: (a) 3<2n-4<10 (b) 1<6-3n<13 2..3.3Rewrite (a) A=[-1,6) (b) (2,5) each interval in set -builder form: (c) [-3,0] (d) (1,4]
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