. If the non zero numbers a, b, c are in A.P
and tan-1a, tan-1b, tan-1c are also in A.P., then
Best Answer
Answer: A,B,C,D
Since a, b, c are in AP
2b = a + c and 2 tan-1 b = tan-1 a + tan-1 c
Therefore b = a = c.
Related questions
and tan-1a, tan-1b, tan-1c are also in A.P., then
Answer: A,B,C,D
Since a, b, c are in AP
2b = a + c and 2 tan-1 b = tan-1 a + tan-1 c
Therefore b = a = c.
