5. If the gradient of f(r, y) at (1,2) is 2i – 2j, then the maximum and minimum values for a directional derivative of f at (1, 2) are respectively A. 2/2 and -2 B. -2/2 and v2 C. 2/2 and 2/2 D. 2/2 and -2/2
5. If the gradient of f(r, y) at (1,2) is 2i – 2j, then the maximum and minimum values for a directional derivative of f at (1, 2) are respectively A. 2/2 and -2 B. -2/2 and v2 C. 2/2 and 2/2 D. 2/2 and -2/2
Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter4: Eigenvalues And Eigenvectors
Section4.6: Applications And The Perron-frobenius Theorem
Problem 69EQ: Let x=x(t) be a twice-differentiable function and consider the second order differential equation...
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