Question

hey!! plzz.. solve this
no spam...
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Answer 1

Answer:

option (c) ... 5

Step-by-step explanation:

determinants of adjoint and the original matrix is same.

so,expand the determinant of p and u will get a linear equation

solve it...u will get ur answer.

Answer 2

Step-by-step explanation:

|adj A |= |A|^2

|adj A | = 16

1(12-12)- a(4-6) + 3(4-6) = 16

0 + 2a - 6 = 16

a = 11

a means alpha ...