The equivalent spring constant of two parallel springs with stiffnesses \(k_{1}\) and \(k_{2}\) is

(a) \(k_{1}+k_{2}\)

(b) \(\frac{1}{\frac{1}{k_{1}}+\frac{1}{k_{2}}}\)

(c) \(\frac{1}{k_{1}}+\frac{1}{k_{2}}\)