1+2+3+4+5+6+7+8+9+10
Answers
Answered by
22
Hi mate !!!
it's sum = n (n+1)/2
n is no. of terms
n= 10
10(11)/2
55
Have a great time dear..
it's sum = n (n+1)/2
n is no. of terms
n= 10
10(11)/2
55
Have a great time dear..
Answered by
0
sum of n terms of AP when last term is given
n/2(a+l)
n=10
10/2(1+10)
5×11
55 is the answer
n/2(a+l)
n=10
10/2(1+10)
5×11
55 is the answer
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