Math, asked by gurjararnav2, 5 months ago

if the nth term of A.P.5,2,1 is, then the value of n is

Answers

Answered by hsahu6821

3

Answer:

ap = 5,2,1

Step-by-step explanation:

a+n

D= 5-2 = 3

an =

a+ (n-1) d

= 5 + ( n-1) 3

=5+ 3n-3

-3n =2

n= 2+3

n = 5

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