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True [87]
3 years ago
11

Simplify the expression (8-√5)(8+√5) 39 59 64+√5 69+16√5

Mathematics
1 answer:
irakobra [83]3 years ago
4 0
Using the identity a^2 - b^2 = (a - b)(a + b):-

this is 8^2 - (sqrt5)^2  = 64 -  5  = 59 Answer
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3 years ago
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