Answer :

an = 3n + 7

a1 = 3 × 1 + 7 = 10


a2 = 3 × 2 + 7 = 13


d = a2 – a1 = 13 – 10 = 3

Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
caricature
view all courses