Question

n-1/n+n-2/n+n-3/n+n-4/n+......upto n terms​

Answer 1

Answer:

Step-by-step explanation:

(n-1)/n+(n-2)/n+---

n/n-1/n+n/n-2/n+----

=1-1/n+1-2/n+---- nterms

=n-(1+2+3+-----)/n

=n-(1/n)(n(n+1)/2)

=n-(n+1)/2

=n-1/2

Answer 2

Answer:

your answer is in the attachment

Step-by-step explanation:

hope it's help you XD