JEE MainMathematicsMatrices and DeterminantsMCQ+4 / −1
Let , where [t] denotes the greatest integer less than or equal to t. If det(A) = 192, then the set of values of x is the interval :
- A[68, 69)
- B[62, 63)
- C[65, 66)
- D[60, 61)
More from Matrices and Determinants
- 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…2021 · MCQ
- Let . If A 1 = I + A, , R, I is a 2 2 identity matrix then 4() is equal to :2021 · MCQ
- For real numbers and , consider the following system of linear equations : x + y z = 2, x + 2y + z = 1, 2x y + z =. If the system has infinite solutions, then + is equal to …2021 · Numerical
- Let …2021 · Numerical
- If and M = A + A2 + A3 + ....... + A20, then the sum of all the elements of the matrix M is equal to …2021 · Numerical
- If the following system of linear equations 2x + y + z = 5 x y + z = 3 x + y + az = b has no solution, then :2021 · MCQ
- If , r = 1, 2, 3, ....., i = , then the determinant …2021 · MCQ
- If ++ = 2 , then the system of equations x + (cos )y + (cos )z = 0 (cos )x + y + (cos )z = 0 (cos )x + (cos )y + z = 0 has :2021 · MCQ