Answers

2015-07-15T19:56:08+08:00
An=A1 + (n-1) d Read as A sub n is equal to A sub 1 plus quantity n minus 1 multiply by d (difference) Malaki yung A tapos yung 1 sa gilid lang, maliit. Hehe
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2015-07-15T19:58:12+08:00
(a) sub (n) equals to (a) sub1 plus (n-1)d
formula:
an=a1+(n-1)d
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