Question

Find the 15th term of the A. P. : -5, 1, 7, 13,... *

Answer 1

Answer:

79

Step-by-step explanation:

a = -5

d = 6

n = 15

aₙ = a + (n-1)d

⇒ a₁₅ = -5 + (15-1)6

⇒ a₁₅ = -5 + 84

⇒ a₁₅ = 79

Hope this helps.....