3,9,15 Which Term Is 401,

3,9,15 which term is 401

Answer:

202/3  th Term

Step-by-step explanation:

an=401

a1=3

d=6

an=a1+(n-1)d

401=3+(n-1)6

401=6n-6+3

401=6n−3

6n=404

Divide both sides by 6

n=202/3

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