If 8 times the 18 term of an ap is equal to 15 time of its 15 term find its 23term
Answers
Answered by
0
hey mate,
it's given that
8(a18) = 15( a15)
8(a+17d) = 15(a + 14d)
8a + 56d = 15a + 210d
15 a - 8a + 210d - 56d = 0
7a + 154 d = 0
taking 7 as common,
7(a+ 22d) = 0
a + 22d = 0
therefore, a23= 0
I hope this helps u!
it's given that
8(a18) = 15( a15)
8(a+17d) = 15(a + 14d)
8a + 56d = 15a + 210d
15 a - 8a + 210d - 56d = 0
7a + 154 d = 0
taking 7 as common,
7(a+ 22d) = 0
a + 22d = 0
therefore, a23= 0
I hope this helps u!
Similar questions