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17: Which of the following directions is descent direction for f(x) = 2x1 + x² - 2x₁x₂ + 4 where Xo [2 3]"? A: do [11] B: do = [-3 4] C: do [-2 -3]" D: Non of these O A O D * 18: Which of the following functions has no critical points? A: f(x) = -x² + x² B: f(x) = 2x² + x2 + 2 C: f(x) = x³ + x2 + 2x² + 4x² +6 D: f(x) = x₁e²² O A

17: Which of the following directions is descent direction for f(x) = 2x1 + x² - 2x₁x₂ + 4 where Xo [2 3]"? A: do [11] B: do = [-3 4] C: do [-2 -3]" D: Non of these O A O D * 18: Which of the following functions has no critical points? A: f(x) = -x² + x² B: f(x) = 2x² + x2 + 2 C: f(x) = x³ + x2 + 2x² + 4x² +6 D: f(x) = x₁e²² O A

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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17: Which of the following directions is descent direction for f(x) = 2x1 + x² - 2x₁x₂ + 4 where Xo [2 3]¹? A: do [11] B: do= [-3 4] C: do -2 -3]" D: Non of these A O D * 18: Which of the following functions has no critical points? A: f(x) = -x² + x² B: f(x) = 2x1 + x² + 2 C: f(x) = x + x2 + 2x² + 4x² +6 D: f(x) = x₁e*² O A B
Transcribed Image Text:17: Which of the following directions is descent direction for f(x) = 2x1 + x² - 2x₁x₂ + 4 where Xo [2 3]¹? A: do [11] B: do= [-3 4] C: do -2 -3]" D: Non of these A O D * 18: Which of the following functions has no critical points? A: f(x) = -x² + x² B: f(x) = 2x1 + x² + 2 C: f(x) = x + x2 + 2x² + 4x² +6 D: f(x) = x₁e*² O A B
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