If x , y , z are in A.P. and tan –1 x , tan –1 y and tan –1 z are also in A.P., then
Mathematics · JEE Main · NTA Exams — Progression and Series
If x, y, z are in A.P. and tan–1x, tan–1y and tan–1z are also in A.P., then
- 2x = 3y = 6z
- 6x = 3y = 2z
- 6x = 4y = 3z
- x = y = z
Answer
(D) x = y = z
Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.
Related practice questions
- If b+c-a a , c+a-b b , a+b-c c are in A.P. then which of the following is in A.P.
- If first, second and eighth terms of a G.P. are respectively n –4 , n n , n 52 , then the value of n is
- Three numbers form an increasing GP. If the middle number is doubled, then the new numbers are in AP. The…
- The sum of the series a – (a + d) + (a + 2d) – (a + 3d) + .... upto (2n + 1) terms is
- Find the sum of first 24 terms of an AP a 1 , a 2 , a 3 ....., if it is known that a 1 + a 5 + a 10 + a 15 +…
- Sum of infinite terms of series 3+5 1 4 +7 1 4^ 2 + . is
- If r th term of a series is (2r + 1) 2 –r , then sum of its infinite terms is
- The sum _ k=1 ^ 20 k 1 2^ k is equal to
More Progression and Series questions · Browse all practice questions