Question

if an AP , if common difference d=3 , then t8-t10 is equal to​

Answer 1

Step-by-step explanation:

t8 = a + 7d => a + 21

t10 = a + 9d => a + 27

t10 - t8 = a + 27 - (a + 21)

=> a + 27 - a - 21

=> 27 - 21

=> 6