If the system of equations $$x + 2y - 3z = 2$$ $$2x + \lambda y + 5z = 5$$ $$14x + 3y + \mu z = 33$$ has infinitely many solutions, then $\lambda + \mu$ is equal to : (1) 13 (2) 10 (3) 12 (4) 11
If the system of equations
$$x + 2y - 3z = 2$$
$$2x + \lambda y + 5z = 5$$
$$14x + 3y + \mu z = 33$$
has infinitely many solutions, then $\lambda + \mu$ is equal to :\\
(1) 13\\
(2) 10\\
(3) 12\\
(4) 11