The Growth of Combinations of Functions Multiplication Theorem 6.3 Suppose that f (x) is 0(g,(x)) for x > kj and f2(x) is 0(g2(x)) for x > k2. Then (fi f2)(x) is 0(g, g2). The Growth of Combinations of Functions - Addition Theorem 6.2 Suppose that fi (x) is 0(g,(x)) for x > k and f2(x) is 0(g2(x)) for x > kz- Then (fi + f2)(x) is 0(max(g,,92)). Droof

Advanced Engineering Mathematics
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Chapter2: Second-order Linear Odes
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The Growth of Combinations of Functions - Multiplication
Theorem 6.3
Suppose that f (x) is 0(g,(x)) for x > kj and f2(x) is 0(g2(x)) for x > k2.
Then (fi f2)(x) is 0(g, g2).
The Growth of Combinations of Functions - Addition
Theorem 6.2
Suppose that fi (x) is 0(g,(x)) for x > k and f2(x) is 0(g2(x)) for x > kz-
Then (fi +f2)(x) is 0(max(g,,g2)).
Droof
Transcribed Image Text:The Growth of Combinations of Functions - Multiplication Theorem 6.3 Suppose that f (x) is 0(g,(x)) for x > kj and f2(x) is 0(g2(x)) for x > k2. Then (fi f2)(x) is 0(g, g2). The Growth of Combinations of Functions - Addition Theorem 6.2 Suppose that fi (x) is 0(g,(x)) for x > k and f2(x) is 0(g2(x)) for x > kz- Then (fi +f2)(x) is 0(max(g,,g2)). Droof
8) Using Theorem 6.2, show all work and determine the smallest integer n for which
f(x) = 2x3 + 4log (x) is 0(x").
%3D
9) Using Theorem 6.3, show all work and determine the smallest integer n for which
f(x) = 2x³log (x) is O(x").
10) Using Theorem 6.2 and Theorem 6.3, show all work and determine the smallest integer n fo
%3D
(x) 30 X+ g = (x)/
Transcribed Image Text:8) Using Theorem 6.2, show all work and determine the smallest integer n for which f(x) = 2x3 + 4log (x) is 0(x"). %3D 9) Using Theorem 6.3, show all work and determine the smallest integer n for which f(x) = 2x³log (x) is O(x"). 10) Using Theorem 6.2 and Theorem 6.3, show all work and determine the smallest integer n fo %3D (x) 30 X+ g = (x)/
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