Solution Found!
Solution: Show that the following equations have at least one solution in the given
Chapter 1, Problem 1(choose chapter or problem)
Show that the following equations have at least one solution in the given intervals.
a. \(x \cos x-2 x^{2}+3 x-1=0\), [0.2, 0.3] and [1.2, 1.3]
b. \((x-2)^{2}-\ln x=0\), [1, 2] and [e, 4]
c. \(2 x \cos (2 x)-(x-2)^{2}=0\), [2, 3] and [3, 4]
d. \(x-(\ln x)^{x}=0\), [4, 5]
Questions & Answers
QUESTION:
Show that the following equations have at least one solution in the given intervals.
a. \(x \cos x-2 x^{2}+3 x-1=0\), [0.2, 0.3] and [1.2, 1.3]
b. \((x-2)^{2}-\ln x=0\), [1, 2] and [e, 4]
c. \(2 x \cos (2 x)-(x-2)^{2}=0\), [2, 3] and [3, 4]
d. \(x-(\ln x)^{x}=0\), [4, 5]
ANSWER:Step 1 of 5
INTERMEDIATE VALUE THEOREM:
If \(f \in C\left[ {a,b} \right]\) and K is any number between f(a) and f(b), then there exists a number c in (a,b) for which f(c) = K.