The Value of 9+11+13+15+......+35 is equal to please help
Answers
Answered by
0
Answer:
83
Step-by-step explanation:
Answered by
4
Answer:
308
Step-by-step explanation:
no.of terms=[(35-9)/2]+1
=14
sum of first n terms=n/2×[2a+(n-1)d]
=7×[18+13×2]
=7×44
=308
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