If the equilibrium constants of the following equilibrium `SO_(2)+(1)/(2)O_(2)hArr SO_(3) and 2SO_(3) hArr 2SO_(2)+O_(2)` are given by `K_(1) and K_(2)` respectively, then which of the following relations is correct-

Options

A. `K_(2)=((1)/(K_(1)))^(2)`
B. `K_(1)=((1)/(K_(2)))^(3)`
C. `K_(2)=((1)/(K_(1)))^(2)`
D. `K_(2)=((K_(1))^(2)`.