Math Problem Statement

Carilah sudut lancip antara permukaan-permukaan xy^z=3x+z^2 dan 3x^2-y^2+2z=1, dititik (1, -2, 1)

Solution

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Math Problem Analysis

Mathematical Concepts

Partial Derivatives
Gradient Vectors
Vector Calculus

Formulas

f_x = ∂f/∂x, f_y = ∂f/∂y, f_z = ∂f/∂z (for gradient)
Angle between vectors: cos(θ) = (∇f • ∇g) / (|∇f| |∇g|)

Theorems

Dot Product of Vectors
Gradient Theorem

Suitable Grade Level

Undergraduate (Calculus Level)