Math, asked by priya646, 1 year ago

add 7 +10 1/2 +14+.......+84

Answers

Answered by YASHIKAJINDAL

4

a=7
d=10 1/2-7=7/2
l=84
S=n/2(a+l)
S=23/2(7+84

priya646: nhi aata kya

priya646: soory

YASHIKAJINDAL: Ok

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