Assume the second derivatives of fare continuous throughout the xy -plane and f x (0, 0) = f y (0,0) = 0. Use the given information and the Second Derivative Test to determine whether f has a local minimum , a local maximum , or a saddle point at (0, 0), or state that the test is inconclusive. 10. f xx (0, 0) = −6, f yy (0, 0) = −3, and f xy (0, 0) = 4
Assume the second derivatives of fare continuous throughout the xy -plane and f x (0, 0) = f y (0,0) = 0. Use the given information and the Second Derivative Test to determine whether f has a local minimum , a local maximum , or a saddle point at (0, 0), or state that the test is inconclusive. 10. f xx (0, 0) = −6, f yy (0, 0) = −3, and f xy (0, 0) = 4
Solution Summary: The author analyzes whether the function f(x,y) has the local maximum, local minimum or saddle point.
Assume the second derivatives of fare continuous throughout the xy-plane and fx(0, 0) = fy(0,0) = 0. Use the given information and the Second Derivative Test to determine whether f has a local minimum, a local maximum, or a saddle point at (0, 0), or state that the test is inconclusive.
Formula Formula A function f(x) attains a local maximum at x=a , if there exists a neighborhood (a−δ,a+δ) of a such that, f(x)<f(a), ∀ x∈(a−δ,a+δ),x≠a f(x)−f(a)<0, ∀ x∈(a−δ,a+δ),x≠a In such case, f(a) attains a local maximum value f(x) at x=a .
Find the volume of the parallelepiped determined by the vectors a = (3, 5, −1), ☎ = (0, 3, 1),
c = (2,4,1).
Find the area of a triangle PQR, where P = (-5,6, -1), Q = (1, -3, -2), and R = (-5, -1,4)
17. [-/1 Points]
DETAILS
MY NOTES
SESSCALCET2 6.2.050.
Evaluate the integral. (Remember to use absolute values where appropriate. Use C for the constant of integration.)
du
4√3-
-4²
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18. [-/1 Points] DETAILS
MY NOTES
SESSCALCET2 6.2.051.
Evaluate the integral. (Use C for the constant of integration.)
-
49
dx
x²
+3
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SUBMIT ANSWER
19. [-/1 Points]
DETAILS
MY NOTES
SESSCALCET2 6.2.057.
Evaluate the integral. (Remember to use absolute values where appropriate. Use C for the constant of integration.)
25+ x2
dx
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