1.If the system of equationsx+4y−z=λx + 4y - z = \lambdax+4y−z=λ7x+9y+μz=−37x + 9y + \mu z = -37x+9y+μz=−35x+y+2z=−15x + y + 2z = -15x+y+2z=−1has infinitely many solutions, then (2μ+3λ)(2\mu + 3\lambda)(2μ+3λ) is equal to:a.333b.−3-3−3c.−2-2−2d.222Login to continueOnly logged in users canattempt or see the solution.