(c) Find an expression for the second derivative of 1/g(x) in terms of g, g', and g", explaining your calculation carefully.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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please send solution for part c only handwritten solution accepted
1. (a) Using the limit definition of the derivative only, find f' (x) where f(x) = x*. If you use any results from the algebra of limits, you must state them in full.
(b) Use the chain rule to show that if g is differentiable and g(æ) + 0 then
-d'(x)
g(x)²
(x) =
(c) Find an expression for the second derivative of 1/g(x) in terms of g, g', and g' , explaining your calculation carefully.
(d) Using your answer to part (c) compute h'" (x) where h(x) = 1/ cos(x) and x is such that cos(x) 0.
Transcribed Image Text:1. (a) Using the limit definition of the derivative only, find f' (x) where f(x) = x*. If you use any results from the algebra of limits, you must state them in full. (b) Use the chain rule to show that if g is differentiable and g(æ) + 0 then -d'(x) g(x)² (x) = (c) Find an expression for the second derivative of 1/g(x) in terms of g, g', and g' , explaining your calculation carefully. (d) Using your answer to part (c) compute h'" (x) where h(x) = 1/ cos(x) and x is such that cos(x) 0.
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