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19 Jul 2010, 16:54
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Can someone show me what step was taken here.
a^b(1-a^-1)= a^b-1(a-1)
a^b(1-a^-1)= a^b-1(a-1)
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whiplash2411
Joined: 09 Jun 2010
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19 Jul 2010, 17:39
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Could you please take a screenshot of the problem and post it? I am having trouble understanding where the powers are with your representation.
Is this what you meant?
\(a^b(1-a^-^1)= a^b-1(a-1)\)
Is this what you meant?
\(a^b(1-a^-^1)= a^b-1(a-1)\)
19 Jul 2010, 17:56
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You got it
Posted from my mobile device
Posted from my mobile device
