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Find fræ, fry and fun for the function YY f(x, y) = 3x2 + 3x?y² + 2xy+ + 3y³ Select one: O a. fræ = 6 + 6y², fxy O b. fræ = 6 + 12y², fæy = O c. frr = 6 + 6y², fæy = O d. fææ fyy = 6x2 + 12æy² + 12y. 12xy + 12y, fyy = 3x? + 24xy² + 12y. fyy = 6x? + 24xy² + 18y. 12x? + 12xy + 18y. 8xy + 12y*, YY 12xy + 8y, 12 + 6y, fay = 6xy + 12y°, fyy 3 = O e. None of these

Find fræ, fry and fun for the function YY f(x, y) = 3x2 + 3x?y² + 2xy+ + 3y³ Select one: O a. fræ = 6 + 6y², fxy O b. fræ = 6 + 12y², fæy = O c. frr = 6 + 6y², fæy = O d. fææ fyy = 6x2 + 12æy² + 12y. 12xy + 12y, fyy = 3x? + 24xy² + 12y. fyy = 6x? + 24xy² + 18y. 12x? + 12xy + 18y. 8xy + 12y*, YY 12xy + 8y, 12 + 6y, fay = 6xy + 12y°, fyy 3 = O e. None of these

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter1: Fundamental Concepts Of Algebra
Section1.1: Real Numbers
Problem 2E
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Find fææ, fæy and fyy for the function f(x, y) = 3x? + 3x?y? + 2xy4 + 3y³ Select one: O a. fra = 6+ 6y², fæy = 8xy + 12y³, fyy = 6x² + 12xy? + 12y. O b. fræ = 6+ 12y?, fay = 12xy+ 12y³, fy = 3x? + 24xy? + 12y. O c. fra = 6+ 6y², fay = 12xy + 8y, fyy = 6x² + 24xy? + 18y. O d. fæx 12 + 6y?, fæy = 6xy + 12y, fyy = 12a? + 12xy? + 18y. O e. None of these
Transcribed Image Text:Find fææ, fæy and fyy for the function f(x, y) = 3x? + 3x?y? + 2xy4 + 3y³ Select one: O a. fra = 6+ 6y², fæy = 8xy + 12y³, fyy = 6x² + 12xy? + 12y. O b. fræ = 6+ 12y?, fay = 12xy+ 12y³, fy = 3x? + 24xy? + 12y. O c. fra = 6+ 6y², fay = 12xy + 8y, fyy = 6x² + 24xy? + 18y. O d. fæx 12 + 6y?, fæy = 6xy + 12y, fyy = 12a? + 12xy? + 18y. O e. None of these
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