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hence proved that p^2= 0
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Answer:
P2 = P × P
= [ 3 -3 ] [ 3, -3]
[ 3 -3 ] [ 3, -3]
= [ 3×3, -3×3]
[3×-3, -3×-3]
= [ 9 -9]
[-9 9]
= 81 - 81 = 0
0 = 0
hence proved
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