Find 5th term of an A. P. whose nth term is 3n-5.

1.	Find 5th term of an A. P. whose nth term is 3n-5.
Answer» Let n=1 so an= 3(1)-5= -2Let ,n=2 3(2)-5= 1 A.P.=-2,1,4,7............The a5= a +4d -2+4(3)=10 Substitute 5 in place of nGiven Anan= 3n -5By substitution, We geta5 = 3(5) - 5= 15 - 5= 10Therefore 5th term of a.p is 10.\xa0

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