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Matrices and Determinants question

2022 · 28 Jun · Shift 2 · Q47

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JEE Main
Mathematics
Matrices and Determinants
2022 · 28 Jun · Shift 2 · Q47

Matrices and Determinants question

2022 · 28 Jun · Shift 2 · Q47

JEE MainMathematicsMatrices and DeterminantsNumerical+4 / −1

Let

A = \left( {\begin{matrix} {1 + i} & 1 \\ { - i} & 0 \\ \end{matrix} } \right)

where

i = \sqrt { - 1}

. Then, the number of elements in the set { n }

\in

{1, 2, ......, 100} : An = A } is

\underline{\hspace{2cm}}

.

Numerical answer

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