(8+√5) (8-√5
please tell
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Answered by
0
Answer:
(8+√5) (8-√5)
= (8) ^2- (√5) ^2
= 64 - 5
= 59
Answered by
1
Answer:
(a+b)(a-b)=a²-b²
=(8)²-(√5)²
=64-5
=59
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