009A Sample Final 2, Problem 7

Show that the equation  $x^{3}+2x-2=0$  has exactly one real root.

Foundations:

Solution:

(a)

Step 1:

Step 2:

(b)

Step 1:

Step 2:

(c)

Step 1:

Step 2:

Final Answer:
(a)
(b)
(c)

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