Qualification > Math

Maths Question...Plz answer

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I Jimmy I:
Sup Every1,
Guyz I'm having a doubt in Maths P4(as usual)
At the end of the paper, we usually get a question concerning the 10th term and nth term, etc.
Now my question is...
To find the nth term there are certain formulas to consider...
I want THOSE formulas...
And guyz there are 3 formulas....
1 concerning the 1st diff and 2 concerning the 2nd diff and 3 concerning the 3rd diff...
WHAT ARE THE FORMULAS FOR EACH DIFFERENCE...
Peace!!

MissDE:
http://www.s-cool.co.uk/gcse/maths/sequences/the-nth-term.html

Is this wt u mean?

Good Luck!

I Jimmy I:
WOHOOOOO
DE, ur the best :D
Thank You A LOT!!!!!
Peace!!!(gonna increase ur rep) ;D

MissDE:

Happy cuz it helped  ;)

pisecs:
Wow~ that really helped
i always spend so much time on the nth term when it's a difficult one

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