If a, b, c, d, e, f are in A.P., then find the value of e - c

1.	If a, b, c, d, e, f are in A.P., then find the value of e - c
Answer» According to the question, we have\xa01st term = a and common difference = 3{tex}\\therefore{/tex}\xa0b = a + 3, c = a + 2(3) = a + 6d = a + 3(3) = a + 9,e = a + 4(3) = a + 12Now, e - c = (a + 12) - (a + 6) = 6

Discussion