Math, asked by namanijhansigmailcom, 6 months ago

give Me solution....​

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Answered by sharma2004
1

Answer:

Step-by-step explanation:

A=[2    4]

   [ -1    k]

A^2=0

A^2=A.A= (2x2)+(-1x4)                       (4x2)+(kx-1)

                 (2x-1)+(-1xk)                       (4x4)+(kxk)

                   

            [0   0]    =[4-4                      8-k]

            [0    0]      [-2-k                     16-k^2]

      k=-4,-2,4,8 are the possible values.

Answered by mohit798
0

Answer:

k =  - 2

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