Math Problem Statement

Misalkan AB menyatakan dua digit terakhir NIU Saudara. Sebagai contoh, jika NIU Saudara adalah 123456, maka A = 5 dan B = 6. Diberikan fungsi f : R 2 → R dengan f(x, y) =    (A + 1)x 3 y − (B + 1)xy3 x 2 + y 2 , jika (x, y) ̸= (0, 0) 0 , jika (x, y) = (0, 0). (a) [20 poin] Tentukan formula f1(x, y) dan f2(x, y) untuk (x, y) ̸= (0, 0). NIU saya 516002

Solution

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Math Problem Analysis

Mathematical Concepts

Partial Derivatives
Multivariable Calculus
Algebraic Functions

Formulas

f(x, y) = (A + 1)x^3 y − (B + 1) x y^3 / (x^2 + y^2), for (x, y) ≠ (0, 0)
f(x, y) = 0, for (x, y) = (0, 0)

Theorems

Product Rule
Chain Rule

Suitable Grade Level

University (Advanced Calculus)