6. If u = given by x = +2, where x+y+z= 1, prove that the stationary value of u is y b a+b+c' a a+b+c' 2 = a+b+c

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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6. If u =
given by x =
+², where x + y + z = 1, prove that the stationary value of u is
b
a+b+c'
a
a+b+c' Y
2 =
с
a+b+c
Transcribed Image Text:6. If u = given by x = +², where x + y + z = 1, prove that the stationary value of u is b a+b+c' a a+b+c' Y 2 = с a+b+c
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