If \(a = \sqrt {5 + 2\sqrt 2 } \) and \(b = \sqrt {5 - 2\sqrt 2 } \)� – McqOptions

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1.	If \(a = \sqrt {5 + 2\sqrt 2 } \) and \(b = \sqrt {5 - 2\sqrt 2 } \) then find the value of a2 – b2.
A.	2
B.	4
C.	√2
D.	4√2
Answer» E.

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