Math miscellaneousHard
Question
If a, b, c are in A.P., b, c, d are in G.P. & c, d, e are in H.P., then -
Options
A.a, e, c are in G.P.
B.a, c, e are in G.P.
C.
D.
Solution
b = 
c2 = bd ⇒ c2 =
d ⇒ d =
d =
c(c + e) = e(a + c)
c2 = ea
Use C & D ⇒
c2 = bd ⇒ c2 =
d ⇒ d = d =
c(c + e) = e(a + c)
c2 = ea
Use C & D ⇒
Create a free account to view solution
View Solution FreeMore Math miscellaneous Questions
If C is centre and A and B are two points on conic 4x2 - 9y2 - 8x - 36y + 4 = 0 such that ∠ ACB = , then CA-2 + CB...Let a1, a2, a3, ... be terms of an A.P. If, p ≠ q, then equals...The value of 21/4, 41/8, 81/6 + ..... ∞ is...Let L = 2C0 + C2 + ..... + . Cn (where Cr = nCr). If S = , then which of the following is/are incorrect ?...If , then the smallest possible value of (a + b + c + d) if a, b, c, d are all positive integers -...