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31 votes
31 votes
find the midpoint of mn if point m is the square root of 2 and -1, point n is 3 square root of 2 and -5

User Lernerbot
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1 Answer

24 votes
24 votes

m is at


m=\sqrt[]{2}-1

and n is at


n=3\sqrt[]{2}-5

Hence the midpoint is at


\text{midpoint}=(n+m)/(2)

by substituying the given values, we have


\text{midpoint}=\frac{(\sqrt[]{2}-1)+(3\sqrt[]{2}-5)}{2}

which is equal to


\begin{gathered} \text{midpoint}=\frac{\sqrt[]{2}-1+3\sqrt[]{2}-5}{2} \\ \text{midpoint}=\frac{3\sqrt[]{2}+\sqrt[]{2}-1-5}{2} \\ \text{midpoint}=\frac{4\sqrt[]{2}-6}{2} \\ \text{midpoint}=\frac{4\sqrt[]{2}}{2}-(6)/(2) \end{gathered}

hence, the answer is


\begin{gathered} \\ \text{midpoint}=2\sqrt[]{2}-3 \end{gathered}

User Marlon
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