Question

Find the nth term of the following AP:
1. Find the 20th term the AP 7, 10, 13, 16, ....​

Answer 1

Answer:

nth term =3n+4

20th term =3*20+4=64

Step-by-step explanation:

xn=dn+(f-d)

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Answer 2

Answer:

hey mate here is your answer [d=common difference , n=nth term , f= first term ] Ap = dn+(f-d) =3n +(7-3)÷3n+420th term =3×20+4=60+4=64

Step-by-step explanation:

therefore 20th term is 64

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