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Advanced Math
/ Nonlinear equations in one variable and systems of equations in two variables
Difficulty: Medium
The given equation relates the positive numbers , , and . Which equation correctly expresses in terms of and ?
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Explanation
Choice D is correct. Multiplying both sides of the given equation by yields . Distributing on the left-hand side of this equation yields , or . Therefore, the equation correctly expresses in terms of and .
Choice A is incorrect and may result from conceptual or calculation errors.
Choice B is incorrect and may result from conceptual or calculation errors.
Choice C is incorrect and may result from conceptual or calculation errors.