If f(x) is optimal at x = x*, show that the minimum of first even derivative of f(x) [i.e. f"(x)] at x = x* must be negative for f(x*) to be maximum.
If f(x) is optimal at x = x*, show that the minimum of first even derivative of f(x) [i.e. f"(x)] at x = x* must be negative for f(x*) to be maximum.
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 f(x) is optimal at x = x*, show that the minimum of first even derivative of f(x) [i.e.
f"(x)] at x = x* must be negative for f(x*) to be maximum.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F892e817a-9b32-4eeb-b8fc-5dd7ffde6479%2Fe20a1273-87f9-4738-b6bb-df7d388cef97%2Fqrq1x84_processed.png&w=3840&q=75)
Transcribed Image Text:If f(x) is optimal at x = x*, show that the minimum of first even derivative of f(x) [i.e.
f"(x)] at x = x* must be negative for f(x*) to be maximum.
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