The 4th term of Ap is 0. Prove that 25 th term is triple its 11th term
Answers
Answered by
2
ANSWER
Let first term of an A.P-a common difference of A.P=d
According to question,
a + 3d = 0..(1)
25th term =a + 24d
from (1).a = -3d
=> -3d + 24d
=> 21d.(2)
11th term=a + 10d
-3d + 10d
=7d.(3)
25th term=3 x 11th term
By (3) and(2)
Hence proved
Answered by
0
Above answer is absolutely correct.
Similar questions