Math, asked by maxheller689, 4 days ago

What is the 8th term from the end is an AP 7,10,13....73

Answers

Answered by sm7620500120

0

a=7, d=3, t1=73, n=A.P.

73=7+(n-1)3

73=7+3n-3

73=4+3n

73-4=3n

69=3n

69/3=3n/3

23=n

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