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If x, y and z are three real numbers such that x+ y+ z= 4 and x + y + z = 6, then show that each of x, y and z lies in the closed interval 3. 2] 23

If x, y and z are three real numbers such that x+ y+ z= 4 and x + y + z = 6, then show that each of x, y and z lies in the closed interval 3. 2] 23

Advanced Engineering Mathematics
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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If x, y and z are three real numbers such that x + y + z = 4 and x2 + y + z2 = 6, then show that each of x, y and z lies in the closed [2 interval le 2]
Transcribed Image Text:If x, y and z are three real numbers such that x + y + z = 4 and x2 + y + z2 = 6, then show that each of x, y and z lies in the closed [2 interval le 2]
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