Statement 1 : In a $∆ABC$, if $\frac{1}{a},\frac{1}{b},\frac{1}{c}$ are in HP; then ${\mathrm{r}}_1, {\mathrm{r}}_2, {\mathrm{r}}_3$ are in AP.

and 

Statement 2 : If $x, y, z$ are in HP, $y=\frac{2xz}{x+z}$

Statement-1 is True, Statement-2 is False

Statement- 1 is True, Statement-2 is True; Statement-2 is a correct explanation for Statement- 1

Statement-1 is False, Statement-2 is True 

Statement-1 is True, Statement-2 is True; Statement-2 is NOT a correct explanation for Statement-1