Question 4 (a) Calculate the following: i. the area of the region in the first quadrant bounded by the curves of f(x)=√x and g(x) = x-2, and the x-axis. Show your working. = sin rand ii. the area of the region bounded by the curves of f(x) g(x) = cos a in the interval [5]. Show your workin (b) Using the Taylor expansion of arctan x, 1
Question 4 (a) Calculate the following: i. the area of the region in the first quadrant bounded by the curves of f(x)=√x and g(x) = x-2, and the x-axis. Show your working. = sin rand ii. the area of the region bounded by the curves of f(x) g(x) = cos a in the interval [5]. Show your workin (b) Using the Taylor expansion of arctan x, 1
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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Needed to be solved Part B and Part C correctly in 30 minutes and get the thumbs up please show neat and clean work
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![Question 4
(a) Calculate the following:
i. the area of the region in the first quadrant bounded by the curves of
f(x)=√x and g(x)=x-2, and the x-axis. Show your working.
ii. the area of the region bounded by the curves of f(x) = sin and
g(x) = cosa in the interval [4, 5]. Show your workin
(b) Using the Taylor expansion of arctan x,
1<x< 1, calculate the sum
1
Σ(-1)", 3n (2n +1)
n=0
I
(c) Let f: [0, +∞o) → R be continuously differentiable. Show that there exist
continuous, positive and increasing functions g, h: [0, +∞) → R such
that f=g-h.
Hint: You may use the fact that for continuous functions g, h: [0, +∞) →
R, it holds that max{g, h}
g+h+g-hand min{g, h}
g+h-lg-hare
also continuous.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa2e672a1-54a8-4743-aad6-f3d1c4a0c4ab%2Fd1b62e81-8748-4f50-bac5-4f239517bde2%2Faq2sgd_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Question 4
(a) Calculate the following:
i. the area of the region in the first quadrant bounded by the curves of
f(x)=√x and g(x)=x-2, and the x-axis. Show your working.
ii. the area of the region bounded by the curves of f(x) = sin and
g(x) = cosa in the interval [4, 5]. Show your workin
(b) Using the Taylor expansion of arctan x,
1<x< 1, calculate the sum
1
Σ(-1)", 3n (2n +1)
n=0
I
(c) Let f: [0, +∞o) → R be continuously differentiable. Show that there exist
continuous, positive and increasing functions g, h: [0, +∞) → R such
that f=g-h.
Hint: You may use the fact that for continuous functions g, h: [0, +∞) →
R, it holds that max{g, h}
g+h+g-hand min{g, h}
g+h-lg-hare
also continuous.
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