Question

Find S22 for -6 + (-4) + (-2) + 0 …

Answer 1

@luckythebest

Answer 2

@Eyad

Answer 3

You try out now.

1st term A = -6, find the difference, and find T22 .

Hence find S22. try up once.

Answer 4

A=-6 ,d =2
S22 = a + (n-1)d
=-6 + ( 21)2
= 36
Sn = n/2( a+l)
Then , S22 = 22/2 ( -6 +36) =330

Answer 5

Thx bruh you help me with my exam @Eyad

Answer 6

@luc

Answer 7

Yw :3 ,Good Luck