if the mth term of an ap be 1/n and its nth term be 1/m then find the sum of that its (mn)th term
Answers
Answered by
3
therefore, the final answer is 1.
Attachments:
Answered by
0
Answer:
Hey,,,,,,,
Tm = 1/n & Tn = 1/m
a +(m-1)d = 1/n
a + (n-1)d = 1/m
-------------------------
(m-n)d = m-n/mn
d = 1/mn , & a = 1/mn
now , Tmn = a +(mn-1)d = 1/mn +(mn-1) x 1/mn
=1 +mn-1 / mn = mn/mn = 1.....hence prooved!!
hope ths hlps u ..!!
Step-by-step explanation:
Similar questions