12th standard matrices chapter question - If capital a not equal to capital a square is equal to Capital i and indeterminate capital I plus capital A is equal to dash dash dash options a is equal to zero b is equal to 1 C is equal to minus 1 is equal to null
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A^2= A
A^2-A = 0
A(A-I)=0
implies A = 0 or A = I
Since , A is not equal to I .
Therefore, A = 0.
i.e.A is null matrix or zero Matrix.
A^2-A = 0
A(A-I)=0
implies A = 0 or A = I
Since , A is not equal to I .
Therefore, A = 0.
i.e.A is null matrix or zero Matrix.
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