Let be a matrix of order such that all the entries in are from the set . Then, the maximum possible value of the determinant of is ____.
Answer: 4
Solution
The maximum determinant of a matrix with entries from is 4. This can be achieved by matrices such as:
or using only . The maximum value is 4.
or using only . The maximum value is 4.
JEE Advanced · 2018 · 20 May 2018 · Paper 2 · Numerical answer