CAT 2018 Linear and Quadratic Equations Question (Hard)

Question

If , then what is the value of ?

Accepted Answer

Given Problem We are given the equation u 2 u - 2v - 1 2 -4v u v We need to find the value of . Step-by-Step Solution 1. Expand the Expression The expression can be expanded using the formula . Let s expand u - 2v - 1 2 u 2 4v 2 1 - 4uv - 2u 4v Substitute this back into the original equation u 2 u 2

CAT 2018

Quantitative

Linear and Quadratic Equations

Hard

If $u^2 + (u - 2v - 1)^2 = -4v(u + v)$ , then what is the value of $u + 3v$ ?

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