Find the sum of 3 + 5 + 7 + _ _ _ _ _ + 73
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0
Answer
37^2-1
1369-1
1368
37^2-1
1369-1
1368
Answered by
0
Answer:
Step-by-step explanation:
a=3 n=71 d=2
sn=n/2(2a+(n-1)d)
=71/2[2*3+70*2]
=71/2*146
=71*73
=5183
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