1. Find the value of a if
2.
3. If A is a square matrix such that A2 = I, then find the simplified value of (A-I)3 + (A+I)3 – 7a
4.
5. For what value of x the matrix is singular?
1. If , find A2 – 5A + 4I and hence find a matrix X such that A2 – 5A + 4I + X = 0.
3.
5.
is singular?
, find A2 – 5A + 4I and hence find a matrix X such that A2 – 5A + 4I + X = 0.
