1.

KIIf matrix A =and A2 = PA, then write the value of P.

Answer»

A^2 = 8. -8 -8. 8

= 4(2). 4(-2) 4(-2). 4(2)

= 4. | 2. -2 | | -2. 2|

= 4 A

So P= 4



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