4 i part

Asked by lovemaan5500 | 17th Jul, 2018, 06:39: PM

Expert Answer:

tn = mn + d
tn-1 = m(n - 1) + d
tn - tn-1 = mn + d - [m(n - 1) + d]
tn - tn-1 = mn + d - (mn - m + d)
tn - tn-1 = mn + d - mn + m - d
tn - tn-1 = m which is constant.
Hence, it is an arithmetic progression.

Answered by Sneha shidid | 19th Jul, 2018, 09:52: AM