Question Number 171343 by mathocean1 last updated on 13/Jun/22
$${Given}\:{M}=\left({m}_{{ij}} +{t}\right)\:{a}\:{real}\:{square} \\ $$$${matrix},\:{with}\:{t}\in\mathbb{R}. \\ $$$${Show}\:{that}\:{the}\:{determinant}\:{of}\:{M} \\ $$$${is}\:{linear}\:{function}\:\left({affine}\right)\:{of}\:{t}. \\ $$