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Advanced Math
/ Nonlinear equations in one variable and systems of equations in two variables
Difficulty: Easy
What is a solution to the given equation?
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Explanation
Choice B is correct. Multiplying the left- and right-hand sides of the given equation by yields . Taking the square root of the left- and right-hand sides of this equation yields or . Of these two solutions, only is given as a choice.
Choice A is incorrect. This is a solution to the equation .
Choice C is incorrect and may result from conceptual or calculation errors.
Choice D is incorrect and may result from conceptual or calculation errors.