(c) Let f, g, h R → R be functions such that for all a we have f(x) ≤ g(x) ≤ h(r) and f(0) = g(0)h(0). Prove that if f and h are continuous at 0 then g is continuous at 0. (d) Prove that the function f: R→ R defined by f(x) = {rsin (2) is continuous. You may assume that sin(x) is a continuous function on all of R which takes values between 1 and 1. x 40 x=0.
(c) Let f, g, h R → R be functions such that for all a we have f(x) ≤ g(x) ≤ h(r) and f(0) = g(0)h(0). Prove that if f and h are continuous at 0 then g is continuous at 0. (d) Prove that the function f: R→ R defined by f(x) = {rsin (2) is continuous. You may assume that sin(x) is a continuous function on all of R which takes values between 1 and 1. x 40 x=0.
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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part c and d
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