What is a? A + 1 / A = 2 And how do I find A?

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Guest Feb 25, 2015

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Best Answer

A + 1/A = 2 multiply everything by A

A^2 + 1 = 2A subtract 2A from both sides

A^2 - 2a + 1 = 0 factor

(A - 1) (A -1) = 0 setting either one of the factors to 0, and we get that A =1

CPhill Feb 25, 2015

CPhill · Answer 1 · 2015-02-25T07:52:23

A + 1/A = 2 multiply everything by A

A^2 + 1 = 2A subtract 2A from both sides

A^2 - 2a + 1 = 0 factor

(A - 1) (A -1) = 0 setting either one of the factors to 0, and we get that A =1