If A = [a_{ij}]_{4\times4} such that a_{ij} = \{\table 2,\when i = j ;0,\when \neq j , then {\det(adj(adjA))}/7 is (where { . } represents fractional part function)

JEE Mains Model Paper 8

Question : 4 of 90

Marks: +1, -0

If A = [aij]4×4 such that
aij = {

2	when‌i=j
0	when≠j

, then

det(adj(adjA))

is (where { . } represents fractional part function)

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