If ln ( a + c ), ln ( c – a ), ln ( a – 2 b + c ) are in A.P., then
Mathematics · JEE Advanced · NTA Exams — Progression and Series
If ln (a + c), ln (c – a), ln (a – 2b + c) are in A.P., then
- a, b, c are in A.P.
- a2, b2, c2 are in A.P.
- a, b, c are in G.P.
- a, b, c are in H.P.
Answer
(D) a , b , c are in H.P.
Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.
Related practice questions
- If a, b, c are in A.P., then a b c , 1 c , 2 b are in
- Given p A.P.’s, each of which consists of n terms. If their first terms are 1, 2, 3, ...., p and common…
- Let a 1 , a 2 , ..., a 10 be in A.P. and h 1 , h 2 , ..., h 10 be in H.P. If a 1 = h 1 = 2 and a 10 = h 10 =…
- If the sum of the first 2 n terms of the A.P. 2, 5, 8.......is equal to the sum of the first n terms of the…
- If the sum of n terms of G.P. is S, product is P and sum of their inverses is R, then P 2 =
- If nth term of a series is 1 (n+1)(n+3) , then sum of infinite terms of the series
- If a 1 , a 2 , ........... , a n are positive real numbers whose product is a fixed number c , then the…
- Assertion : The sum of an infinite A.G.P. a + (a + d) x + (a + 2d) x 2 + (a + 3d) x 3 +.........., where | x…
More Progression and Series questions · Browse all practice questions