CAT 2022 Linear and Quadratic Equations Question (Medium)

Question

If x y 3, xy 2, then what is the value of x y

Optima Learn · Accepted Answer

To find x y , we need to use the algebraic identity that expresses it in terms of the given sum and product. Understanding the setup We re given x y 3 and xy 2, and need x y without solving for x and y individually. Analyzing the Calculation Using the identity x y x y 3xy x y substituting gives 3 3

CAT 2022 Linear and Quadratic Equations — Previous Year Question

CAT 2022

Quantitative

Linear and Quadratic Equations

Medium

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