2. (a) Find the derivative y', given: (i) y = (x² + 1) arctan r – x; Answer: (ii) y = cosh(2x log r). Answer: (b) Using logarithmic differentiation, find y' if y = x* 7° cosh³ 3r.
2. (a) Find the derivative y', given: (i) y = (x² + 1) arctan r – x; Answer: (ii) y = cosh(2x log r). Answer: (b) Using logarithmic differentiation, find y' if y = x* 7° cosh³ 3r.
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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Transcribed Image Text:2. (a) Find the derivative y', given:
(i) y = (x² + 1) arctan r – x;
Answer:
(ii) y = cosh(2.r log x).
Answer:
(b) Using logarithmic differentiation, find y' if y = x' 7° cosh 3.r.
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