MathematicsEasy244×since 2002Q4560Let S be the set of all real values of k for which the systemof linear equations x + y + z = 2 2x + y −-− z = 3 3x + 2y + kz = 4 has a unique solution. Then S is :Aan empty setBequal to {0}Cequal to RDequal to R −-− {0}Check answerSkip