Question

Nth term of the a.p.13,8,3,-2,....

Answer 1

Answer:

an=18=5n

Step-by-step explanation:

A.P=13,8,3,-2

Given ,  a=13  n=?  

d=a2-a

 =8-13

  =-5  

an=a+(n-1)d

  =13+(n-1)(-5)

  =13-5n+5

  =18-5n

Answer 2

Answer:

Step-by-step explanation:

13,8,3,-2

first term(a)=13

common difference(d)=8-13=-5

$a_{n} =a+(n-1)d$

$a_{n} =13+(n-1)-5$

$a_{n}=13-5n+5$

$a_{n}=18-5n$

Nth term of the ap is 18-5n

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