If the sum of n terms of an A.P. is 2n2 + 5n, then find the 4th term.
  • a)
    4n – 3
  • b)
    3n – 4       
  • c)
    4n + 3
  • d)
    3n + 4
Correct answer is option 'C'. Can you explain this answer?

JEE Question

By Vikas Saini · 4 weeks ago ·JEE
2 Answers
Ishanya Singh answered 4 weeks ago

Vivek answered 4 weeks ago
Tn = Sn - S(n-1)
Use this to the 4th term

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