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9 votes
20 points...

Sherlock - please help!

20 points... Sherlock - please help!-example-1

1 Answer

9 votes

Answer:

C)
\{(1+√(5))/(3),\:(1-√(5))/(3)\}

Explanation:


(3x-1)^2=5\\\\3x-1=\pm√(5)\\\\3x=1\pm√(5)\\\\x=(1\pm√(5))/(3)\\ \\\{(1+√(5))/(3),\:(1-√(5))/(3)\}

User Amit Ghosh
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