Qualification > Math

sequences

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zara:

--- Quote from: nid404 on May 17, 2009, 04:37:53 pm ---i thought i told u the other day at school.
it's a+(n-1)d+(n-1)(n-2)c

a=first term
c= final difference
d=the difference between values of first and second term
 
got it ?

--- End quote ---

i think u 4got to add 1/2 in the formula...
its:  a + (n - 1)d + ½(n - 1)(n - 2)c

nid404:
ur right. i'm soooooooo sorry guys.....just forgot the half.

Ghost Of Highbury:
@zara and nid404....
tks a lot...!!
appreciated

X Abdulrahman X:
here u go,
http://www.s-cool.co.uk/gcse/maths/sequences/the-nth-term.html

gl  :)

AN10:
yeah i got it!!
thanx.... this was pretty helpful  ;D

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