Question

20 points,.......................let - 297 ,-294 ,-291 ...is an AP then find
(a)common difference
(b)nth term and sum of n terms
(c)least value of n such that sn is least.
(d)1st non negative term
(e)1st positive term
(f)terms taken such that sn is 18.​

Answer 1

Step-by-step explanation:

first you must find the common difference

ie,

largest number -smallest number ÷large term -small term

-291- -297÷3-1

=6÷2

=3

there for common difference is 3,

Answer 2

HEY MATE

ANSWER REFERS TO ATTACHMENT

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