if A = [2 -2] [-2 2] and A²=PA, then the value of p is.
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Answered by
0
Answer:
9
Step-by-step explanation:
1
∗
2
2
=
(1)
2
+(2
2
2
=
1+8
=3
1
∗
−2
2
=
(1)
2
+(−2
)
2
=
1+8
=3
(1∗2
2
)(1∗−2
2
)=(3)(3)=9
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