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# Help with indices question Watch

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 ;-)

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