6. Find the tangent line equations for the given functions at the given point(s): x2 + 3xy + y3 = 15 at (1,2).

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.6: The Inverse Trigonometric Functions
Problem 91E
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solve Question 5(b5) and Question 6(b6)

6. Find the tangent line equations for the given functions at the given point(s):
x² + 3xy + y³ = 15 at (1,2) .
Transcribed Image Text:6. Find the tangent line equations for the given functions at the given point(s): x² + 3xy + y³ = 15 at (1,2) .
5. Prove that the stated formula is the local linear approximation at the point
= 0 .
1
(a)
V1 -
(b) In (1 + x) x x.
2
Transcribed Image Text:5. Prove that the stated formula is the local linear approximation at the point = 0 . 1 (a) V1 - (b) In (1 + x) x x. 2
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