题目内容双击单词支持查询和收藏哦～
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纠错
$$a \gt 0$$
Quantity A
$$(a+a^{-1})^{2}$$
Quantity B
$$a^{2}$$+$$a^{-2}$$
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A.Quantity A is greater.
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B.Quantity B is greater.
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C.The two quantities are equal
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D.The relationship cannot be determined from the information given.
A显示答案
