If x, y, z are in A.P, ax, by, cz in G.P. and a, b, c in H.P., then x/z + z/x =

Question

If x, y, z are in A.P, ax, by, cz in G.P. and a, b, c in H.P., then \(\frac xz + \frac zx = \)

a. 2

b. \(\frac ac + \frac ca\)

c. \(\frac{2ac}{a + c}\)

d. none of these

Answer 1

Correct option is b. \(\frac ac + \frac ca\)