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Use a tangent plane at the point (4, -—4) to approximate the value of the following function at the point (4.08, -3.91). Type your answer in as an expression or give your answer accurate to 4 decimal places. f(x, y) = 68-3x² - y² = V

Use a tangent plane at the point (4, -—4) to approximate the value of the following function at the point (4.08, -3.91). Type your answer in as an expression or give your answer accurate to 4 decimal places. f(x, y) = 68-3x² - y² = V

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Use a tangent plane at the point (4, −4) to approximate the value of the following function at the point (4.08, -3.91). Type your answer in as an expression or give your answer accurate to 4 decimal places. f(x, y) = √√√68 – 3x² — y²
Transcribed Image Text:Use a tangent plane at the point (4, −4) to approximate the value of the following function at the point (4.08, -3.91). Type your answer in as an expression or give your answer accurate to 4 decimal places. f(x, y) = √√√68 – 3x² — y²
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