If a and b are nonzero integers, which of the following m...

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PS · Problem Solving

605-655

Number Properties

If a and b are nonzero integers, which of the following must be negative?

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A

(−a)^{−2b}

B

(−a)^{−3b}

C

−(a^{−2b})

D

−(a^{−3b})

E

None of these

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