Question

find the sum of 10 terms of the ap 6,10,14.... n=10

Answer 1

Hope this helps... Plz mark as brainliest.!

Answer 2

So here we have to find sum of 10 terms . So n ,a and d is already given here that is n=10 and a=6 and
d=10-6=4
Now the formula for finding the sum is sn= n/2(2a+(n-1)d)
so instead of n it'll be 10
s10= 10/2 (2×6+(10-1)d)
s10=5(12+9×4)
s10=5(12+36)
s10=5×48
s10=240
..
Hope it'll help u