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If x - (1 / x) = √5 than √x (√x – 1) = ?
1.
If x - (1 / x) = √5 than √x (√x – 1) = ?
A.
√5 / 2
B.
10√5
C.
1
D.
√5 / 4
Answer» D. √5 / 4
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