October 2nd, 2016, 12:32 AM  #1 
Newbie Joined: Oct 2016 From: UK Kent Posts: 8 Thanks: 0  Laws of indices, problem
Hi. I have recently started to look at laws of indices (basic I know). I understand the laws and can work out basic bits, like 4^2, (x^2)^3, 25^1/2. However, when it becomes more complicated I am finding it difficult. Here is an example of a tough one, my workings out and my answer (which is probably wrong). If anyone has the time to glance at it, I would be grateful, thanks, Edd Last edited by skipjack; October 2nd, 2016 at 04:30 AM. 
October 2nd, 2016, 02:01 AM  #2 
Newbie Joined: Oct 2016 From: UK Kent Posts: 8 Thanks: 0  Learning laws of indices. Understand most of it, but am stuck on more complicated ones such as this. If anyone has the time to look through and see if and where I am going wrong, I would appreciate it. Thanks. Last edited by skipjack; October 2nd, 2016 at 04:31 AM. 
October 2nd, 2016, 04:27 AM  #3 
Global Moderator Joined: Dec 2006 Posts: 19,714 Thanks: 1806 
The exponent of a is 5/6  1/6, which is 6/6, not 4/6. The exponent of b is 0. b$^0$ is 1, not b. The exponent of c is 2/6  (1/3), which is 0, not 1/3  1/3 (which would be 2/3). 
October 2nd, 2016, 09:47 AM  #4 
Newbie Joined: Oct 2016 From: UK Kent Posts: 8 Thanks: 0 
Ahah I see. So I was on the right track at least! Thank you 

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