If a, b, c, … are in G.P., and a1/x = b1/y = c1/z = …, then x, y, z, … are in
Let a, b, c > 0 and a, b, c be in A.P. If a2, b2, c2 are in G.P., then
If the sum to n terms of an A.P. is 3n2 +5n, while Tm = 164, then value ofm is
If G1 and G2 are two geometric means and A is the arithmetic mean inserted between two positive numbers a and b then the value of
Suppose for each n ∈ N.
then an equals
Let A1, A2 be two arithmetic means, G1, G2 be two geometric means, andH1, H2 be two harmonic means between two positive numbers a and b. The value of
Sum of the series