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ab≠0
Quantity A
$$\sqrt{a^{2}+b^{2}}$$
Quantity B
$$\sqrt{a^{2}}$$ + $$\sqrt{b^{2}}$$
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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.
B显示答案