Question

find the sum of indicated number of terms :- m-1/m , m-2/m , m-3/m
..........., 10 terms, n terms​

Answer 1

Answer:

S10=

$10( \frac{m - 6}{m} )$

Step-by-step explanation:

Sn=n/2{a+l}

where

a= m-1/m

l= m-10/m

n=10

S10= 10/2{m-1/m+m-10/m}

LCM

= 5{2m-12/m}

=10{m-6/m}