1.If the system of equations2x+y−z=5,2x + y - z = 5,2x+y−z=5,2x−5y+λz=μ,2x - 5y + \lambda z = \mu,2x−5y+λz=μ,x+2y−5z=7x + 2y - 5z = 7x+2y−5z=7has infinitely many solutions, then (λ+μ)2+(λ−μ)2(\lambda + \mu)^2 + (\lambda - \mu)^2(λ+μ)2+(λ−μ)2 is equal toa.904b.916c.912d.920Login to continueOnly logged in users canattempt or see the solution.
