find the A.P. if the 15th term is 10 more than the 13 term and first term is 5
Answers
Answered by
7
a=5
15th term =a+14d =10 +a+12d
by putting a=5
5+14d=10+5+12d
5+14d=15+12d
14d-12d=15-5
2d=10
d =10÷2
d=5
now A.P. is..
5 , 10 , 15 ..............
15th term =a+14d =10 +a+12d
by putting a=5
5+14d=10+5+12d
5+14d=15+12d
14d-12d=15-5
2d=10
d =10÷2
d=5
now A.P. is..
5 , 10 , 15 ..............
Answered by
1
5,10,15,20,25,30,35,40,.............
......
......
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