If x=1(2–√+1),x=1(2+1), the value of x2 + 2x - 1 is? – McqOptions

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1.	If x=1(2–√+1),x=1(2+1), the value of x2 + 2x - 1 is?
A.	22–√2222–√2222–√22–√22–√22–√2222–√2–√222––√√22
B.	4
C.	0
D.	2
Answer» B. 4

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