JEE Main 2021 Mathematics question
Let [] be the greatest integer less than or equal to . The set of all values of for which the system of linear equations x + y + z = 4, 3x + 2y + 5z = 3, 9x + 4y + (28 + [])z = [] has a solution is :
Answer: (B)
Let [] be the greatest integer less than or equal to . The set of all values of for which the system of linear equations x + y + z = 4, 3x + 2y + 5z = 3, 9x + 4y + (28 + [])z = [] has a solution is :