10. Consider the function f(x) = x³ + 2x² + 10x - 20 = 0 1. Show that f(x) has one single root in the interval ]1,2[ 2. Show that this function can be put into the form: x= F(x) = z²+bx+c 3. Show that for a root in the interval re [1, 2]: F'(r)| ≤ //

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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10. Consider the function f(x) = x³ + 2x² + 10x - 20 = 0
1. Show that f(x) has one single root in the interval ]1, 2[
2. Show that this function can be put into the form: x =
3. Show that for a root in the interval re [1,2]: F'(r)| ≤ //
4. Find the root of f(x) in the interval [1, 2]
F(x) = ²+bx+c
3m1
Transcribed Image Text:10. Consider the function f(x) = x³ + 2x² + 10x - 20 = 0 1. Show that f(x) has one single root in the interval ]1, 2[ 2. Show that this function can be put into the form: x = 3. Show that for a root in the interval re [1,2]: F'(r)| ≤ // 4. Find the root of f(x) in the interval [1, 2] F(x) = ²+bx+c 3m1
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