Math, asked by bhageerath8629, 1 year ago

If 7 times the 7th term of an ap is equal to 11 times the 11th term then what will be its 18th term

Answers

Answered by teena21

2

7 (a+6d) =11 (a+10d)
7a+42d=11a +110d
4a =68d
a18 = a+17d
= 17d +17d
= 34d

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