Find the Equilibrium Constant for the Reaction: A(g)+ B(g)⇌ 2C(g)at

Find the equilibrium constant for the reaction: A(g) + B(g) ⇌ 2C(g) at 25°C when k equals 1.4 × 10^-12 M^-1s^-1 for the reaction A(g) + B(g) ⇌ 2C(g) at 25°C and k equals 2.7 × 10^-13 M^-1s^-1 for the reaction: 2 C(g) ⇌ A(g) + B(g) at 25°C.

A) 3) 8 × 10^-25
B) 1) 7 × 10^-12
C) 1) 1 × 10^-12
D) 5) 2