Which of the following functions (y1, y2) is a Lyapunov function for the dynamical system y₁ = - Y₁ y, y2 = -2y²y2 - 3y2 Select one: O a. V(y₁, y2) = -V1Y2 O b. O c. O d. V(y₁, y2) = y2 V(J1,yz) = sinh(y? + y) V(y₁, y2) = sin(y² + y2)

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