Question

        

If A2 = I, then value of   

Solution

Correct option is

7

                  

  

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.

SIMILAR QUESTIONS

Q1

 and Q = PAP’ then PQ2009 P is equal to

Q2

, then the system of equations 

 

Q3
Q4
Q5

The system of homogeneous equations 

        

        

        

has non-trivial solutions for

Q9

 

, then the value(s) of t for which inverse of Atdoes not exist.

 

Q10

If a is a 3 × 3 skew summertic matrix with real entries and trace of A2equals zero, then