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# If q is an odd integer greater than 1, what is the value of (– 1)q + 1

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Math Expert
Joined: 02 Sep 2009
Posts: 56226
If q is an odd integer greater than 1, what is the value of (– 1)q + 1  [#permalink]

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24 Dec 2018, 23:28
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Difficulty:

5% (low)

Question Stats:

88% (00:28) correct 13% (01:06) wrong based on 35 sessions

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If q is an odd integer greater than 1, what is the value of (– 1)^q + 1?

A. – 2
B. – 1
C. 0
D. 2
E. It cannot be determined from the information given.

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Math Expert
Joined: 02 Aug 2009
Posts: 7764
Re: If q is an odd integer greater than 1, what is the value of (– 1)q + 1  [#permalink]

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25 Dec 2018, 22:56
Bunuel wrote:
If q is an odd integer greater than 1, what is the value of (– 1)^q + 1?

A. – 2
B. – 1
C. 0
D. 2
E. It cannot be determined from the information given.

Property of (-1)
When -1 is raised to odd positive integer it remains -1.
If it is raised to even positive integer, it becomes 1..

So here $$(-1)^q+1=-1+1=0$$, as q is odd integer >1.

C
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Re: If q is an odd integer greater than 1, what is the value of (– 1)q + 1   [#permalink] 25 Dec 2018, 22:56
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