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If (3+√5)(4-√5)=a+b√5, where a and b are integers, then what is the value of a + b?
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If (3+√5)(4-√5)=a+b√5, where a and b are integers, then what is the value of a + b?

User Jan Kreischer
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1 Answer

2 votes
54 = 2 x 3³
So, if a and b are integers, a=2 and b=3
User DarckBlezzer
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