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X2 2x 1 x2 1
X2 2x 1 x2 1 pictures 5
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X2 2x
X2 2x 1 x2 1
x2 2x2 1 x2 2x 1
2x 1 x2 1 x2 4
1-x 2/x(1-2x)
x2 1 x2 2x 1 x3 x2 2x
x2 1 x2 66 find x2 1 2x x
lim x2 2x 1 x2 1
f x )u003d x2 2x 1 x2 1
fx x2 2x 1 x2 1
x2 2x 1 x2 1 0
x2 2x 1 x2 1
