Math, asked by Shazuchamp6546, 1 year ago

If 10timethe 10th term of ao is equal to 15 times the 15th term show thar 25th term is 0

Answers

Answered by Anonymous
0
According to question ,
10 x 10th term =15 x 15th term
let a is the first term and d is the common difference .
10 (a+9d)=15 (a+14d)

5a+120d=0

a +24d=0
now ,
25th term =a+(25-1) d=a+24d=0
hence 25th term=0

HOPE THIS HELP MARK THIS BRAINLIEST
Similar questions