Question

for an AP t1 =12 and t10=102. find common difference​

Answer 1

Step-by-step explanation:

First term a = 12 (t1) n = 10

We know that,

a + (n - 1)d = t10 => 12 + (10 - 1)d = 102

=> 12 + 9d = 102 => 9d = 90 => d = 90/9 = 10

Therefore, The common difference is 10