Question

Find term of an arithmetic sequence is 5 and it's 10th term 50.Find it's 20th term​

Answer 1

Answer:

Hello.. good morning dear mate..

Step-by-step explanation:

In an AP the first term is , ie, a= 5

a10 = 50

a + [10-1]d = 50

5+[9]d = 50

9d = 50-5

9d = 45

d = 45/9=5

a20 =a+[n-1]d

a20 = 5+ [19]5

a20 =5 + 95=100.

Hope it helps you dear..