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Director
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PS Exponents [#permalink] New post 23 Sep 2004, 10:56
00:00
A
B
C
D
E

Difficulty:

(N/A)

Question Stats:

100% (01:32) correct 0% (00:00) wrong based on 1 sessions
This one please
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Senior Manager
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 [#permalink] New post 23 Sep 2004, 11:58
Concur with Sir Paul :-D
Director
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 [#permalink] New post 23 Sep 2004, 12:46
So, please correct me if I am wrong
from 3 (-1)^0 is -1; well it should be 1.
from 1, (-1)^(-1) should be -1
as (-1)^(-1)=1/(-1), so -1
Well the OA is not E but B? That's what I want to sort out.
S
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 [#permalink] New post 23 Sep 2004, 13:09
OA is wrong. E must be it
III must also be true
Anything to the power 0 will be equal to 1
so (-1)^0 = 1
and 1 = -k = -(-1) = 1
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Best Regards,

Paul

Director
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 [#permalink] New post 23 Sep 2004, 13:40
OK, Paul. i agree with you. Can you please explain how 1 is true. I am really daft!!
S
  [#permalink] 23 Sep 2004, 13:40
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