You are Here: Home >< Maths

# Help with indices question

Announcements Posted on
Would YOU be put off a uni with a high crime rate? First 50 to have their say get a £5 Amazon voucher! 27-10-2016
1. I need help with this maths question. Someone please give me answer and explain how to get it thanks.

https://gyazo.com/01b6bf8f854c98971e229591ff10d292
2. (Original post by SpinnerPvP)
I need help with this maths question. Someone please give me answer and explain how to get it thanks.

https://gyazo.com/01b6bf8f854c98971e229591ff10d292
Any number to the power of 0 is equal to 1 e.g. .

Any number to the power of -1 is the reciprocal of that number e.g.
3. anything to a power of 0 equals 1 because you can write Also

How does one get the 'divide' symbol in tex? I tried /div
4. (Original post by nerak99)

How does one get the 'divide' symbol in tex? I tried /div
It is \div: - make sure to use the \ and not /.
5. (Original post by SpinnerPvP)
I need help with this maths question. Someone please give me answer and explain how to get it thanks.

https://gyazo.com/01b6bf8f854c98971e229591ff10d292
Any number to the power of 0 is always 1:

Negative powers give reciprocals, such that

Whilst not necessarily in the question, fractional powers give roots, such that

Using these two rules, try and work out the question now given
6. (Original post by Zacken)
It is \div: - make sure to use the \ and not /.
I swear that this did not work earlier ;-)

## Register

Thanks for posting! You just need to create an account in order to submit the post
1. this can't be left blank
2. this can't be left blank
3. this can't be left blank

6 characters or longer with both numbers and letters is safer

4. this can't be left empty
1. Oops, you need to agree to our Ts&Cs to register

Updated: May 10, 2016
TSR Support Team

We have a brilliant team of more than 60 Support Team members looking after discussions on The Student Room, helping to make it a fun, safe and useful place to hang out.

This forum is supported by:
Today on TSR

### University open days

Is it worth going? Find out here

Poll
Useful resources

### Maths Forum posting guidelines

Not sure where to post? Read here first

### How to use LaTex

Writing equations the easy way

### Study habits of A* students

Top tips from students who have already aced their exams

## Groups associated with this forum:

View associated groups
Study resources

The Student Room, Get Revising and Marked by Teachers are trading names of The Student Room Group Ltd.

Register Number: 04666380 (England and Wales), VAT No. 806 8067 22 Registered Office: International House, Queens Road, Brighton, BN1 3XE

Reputation gems: You get these gems as you gain rep from other members for making good contributions and giving helpful advice.