Question

THE SUM OF THE FIRST 16 TERM OF AP 6, 2, -2,...... IS:ù​

Answer 1

Answer:

i think the answer is 54

Answer 2

Answer:

$hope \: it \: helps \: you$

Step-by-step explanation:

$a = 6 \: \: \: \: d = - 4 \: \: \: n = 16 \: \: \\ to \: find \: s16$

$sn = n \div 2(2a + (n - 1)d$

$s16 = 16 \div 2(2 \times 6) + (16 - 1) \times - 4$

$8(12 + (15 \times - 4))$

$8 \times (12 - 60)$

$8 \times - 48$

$= - 384$

$so \: sum \: of \: 16 \: terms \: of \: an \: ap \: is \: - 384$