Question

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Answer 1

I hope it will help you ........ thanks

Answer 2

a1=3, an=3an−1+1First 4 terms of the A.P are given as follows:a1=3 (given)a2=3an−1+1=3a2−1+1=3a1+1=3(3)+1=10a3=3an−1+1=3a3−1+1=3a2+1=3(10)+1=31a4=3an−1+1=3a4−1+1=3a3+1=3(31)+1=94