find the answer of (√5+1)(√5-1)
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by using identity (a+b)(a-b)=a^2-b^2
(root5)^2-1^2
5-1
4
hope it helps
Answered by
0
Answer:
The answer is 6
a²-b² property
√5² is 5 and 1² is 1
Therefore 5+1=6
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