If $\frac{a}{b},\frac{b}{c},\frac{c}{a}$ are in $H.P.$, then
If $\frac{a}{b},\frac{b}{c},\frac{c}{a}$ are in $H.P.$, then
- A
${a^2}b,\,{c^2}a,\,{b^2}c$ are in $A.P.$
- B
${a^2}b,\,{b^2}c,\,{c^2}a$ are in $H.P.$
- C
${a^2}b,\,{b^2}c,\,{c^2}a$ are in $G.P.$
- D
None of these
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