Question

find sum of34+32+30+.......+10​

Answer 1

Answer:

The sum is 286.

Hope this helps.....

Answer 2

Answer:

Step-by-step explanation:

a=34

d=-2

an=10

an=a+(n-1)d

10=34+(n-1)(-2)

-24=(n-1)-2

12=n-1

n= 13

s=n/2(a+l)

=13/2(34+10)

=13/2(44)

=13*22

=286