Math Problem Statement
Aproksimasi linear (1,2) dari z= akar 81 - x^2 - y^2
Solution
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Math Problem Analysis
Mathematical Concepts
Linear Approximation
Partial Derivatives
Multivariable Calculus
Chain Rule
Formulas
L(x, y) = f(a, b) + f_x(a, b)(x - a) + f_y(a, b)(y - b)
f_x(x, y) = -x / sqrt(81 - x^2 - y^2)
f_y(x, y) = -y / sqrt(81 - x^2 - y^2)
Theorems
Linear Approximation Formula
Chain Rule
Suitable Grade Level
Grades 11-12 (Advanced High School) or Early College
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