Math, asked by amruthanprabhu06, 4 months ago

for what value of n , are nth terms of two ap`s :2,5,8... and 117,111,105..... equal




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Answers

Answered by Xxunkn0wnxX
70

a= 2, d= 5-2 =3, n=n

an = a+ (n-1)d=2+(n-1)3 = 2+3n-3=3n-1

therefore the nth term of A. P. is 3n-1.

a= 117 , d= 111-117= -6, n=n

an=a+ (n-1)d

an= 117+ (n-1)-6

an= 117-6n+6

an= -6n +123

therefore the nth term of A. P. is-6n +123

Answered by rakesh112394
1

Answer:

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