# Roots of Equations

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Show that the equation 3x - 2 + cos(pi x / 2) = 0 has exactly one root.

(This problem may be clearer in the attached file.)

Â© BrainMass Inc. brainmass.com March 4, 2021, 5:36 pm ad1c9bdddfhttps://brainmass.com/math/calculus-and-analysis/roots-equations-functions-1785

#### Solution Summary

This explains how to show that an equation has one root.

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