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# Domain

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The domain of the equation y = 3x/(x^2 - 6x + 4)  is the set of all real numbers with the exception of the values x = A and x = B. What is A + B?

Jul 31, 2021

### 1+0 Answers

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What is A + B?

Hello Guest!

The function is indefinite for the x-values of the equation x ^ 2 - 6x + 4 = 0.

$$x ^ 2 - 6x + 4 = 0\\ x=3\pm\sqrt{9-4}\\ x=3\pm\sqrt{5}$$

$$A=3+\sqrt{5}\\ B=3-\sqrt{5}\\ A+B=6$$

!

Jul 31, 2021