Question

decided whether following sequence is an a.p if so find the 20th term of the progression
a.p=1,6,11,16,----​

Answer 1

Answer:

yes it is an ap

a=1

d=5

n=20

an = a + (n - 1)

an = 1 + (20 - 1)

an = 1 + 19

an = 96

an=a+(n−1)×d

an=1+(20−1)×5

an=1+19×5

an=96

Answer 2

Answer:

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