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Really quick C1 indices question

I was doing a paper earlier and saw this question.

9^(-1/2)
I know it goes to (1)/(root 9)
So why is the answer not +- (1/3)?

Thanks


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Original post by GM16
I was doing a paper earlier and saw this question.

9^(-1/2)
I know it goes to (1)/(root 9)
So why is the answer not +- (1/3)?

Thanks


Posted from TSR Mobile


http://www.thestudentroom.co.uk/showthread.php?t=3173187
Original post by GM16
...


See Mr M's thread

Edit: Too slow.
Original post by ghostwalker
See Mr M's thread

Edit: Too slow.


hehehe :wink:
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GM16
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Original post by Renzhi10122


Thank you!


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