Question

" If Sum of in terms of an A.P be 3n2+n and it's common
difference is 6 then its first
term is
a) 2
b) 3
c) 1
d) 4
​

Answer 1

Answer:

solve using the formula

T = a+(n-1)d

Sn=2a+(n-1)d or Sn=a+L ( L=Last term )

Step-by-step explanation:

definitely using concept and your intelligency you will get answer

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