Question

Which term in the A.P. 68, 64 60, ... is – 8?

Answer 1

Answer:

n=20

Step-by-step explanation:

Hope it helps you mark me as brainliest if you think my answer is appropriate!!!

Answer 2

Answer :-

Here,

• a = 68
• d = 64 - 68 = - 4
• Tn = - 8

Tn = a + (n - 1)d

→ - 8 = 68 + (n - 1)(-4)

→ - 8 = 68 - 4n + 4

→ - 8 = 72 - 4n

→ 72 + 8 = 4n

→ 80 = 4n

→ n = 20