SOLUTION: Multiply. (sqrt11 - sqrt5)(sqrt11 + sqrt5) Thanks
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Algebra: Square root, cubic root, N-th root
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Question 43011
:
Multiply.
(sqrt11 - sqrt5)(sqrt11 + sqrt5)
Thanks
Answer by
fractalier(2101)
(
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):
You can
put this solution on YOUR website!
Like any (a+b)(a-b) = a^2 - b^2 we get
(sqrt11 - sqrt5)(sqrt11 + sqrt5) =
11 - 5 =
6
