DeterminantHard

Question

If A = then is

Options

A.
B.
C.
D.Does not exist

Solution

Let x =         ⇒  xn = 0  ∀ 2
⇒  A = X + I
An = (X + I )n = nC0 xn + nC1xn-1I ......+ nCn-2 x2 + nCn -1 x + nCnI = n x + I
=

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