1 Answer

Arrow · Answer 1 · 2023-01-21T22:09:23+0000

We will have to make a sketch of the of the question

From the image above we can deduce that

$\begin{gathered} TV=TU+UV \\ \text{Where TU=x} \\ TV=3x \\ UV=x+1 \end{gathered}$

By substitution,

$\begin{gathered} 3x=x+x+1_{} \\ 3x=2x+1 \\ \text{collect like terms we will have} \\ 3x-2x=1 \\ x=1 \end{gathered}$

Therefore,

TU=1

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