Answer:
Step-by-step explanation:
common difference d=3-1=2
first term a=1
an=a+(n-1)d
2n-1=1+(l-1)2
2n-1=1+2l-2
2n-1=2l-1
l=n
(i used l for number of terms)
number of terms=n
1+1-1/1+11-1/11= First to answer gets Brainliest!!
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Step 1. Simplify
is your answer:
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