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Let A=[a(ij)](3xx3) be such that a(ij)=[...

Let `A=[a_(ij)]_(3xx3)` be such that `a_(ij)=[{:(3, " when",hati=hatj),(0,,hati ne hatj):}" then " {("det (adj(adj A))")/(5)}` equals :
( where {.} denotes fractional part function )

A

`(2)/(5)`

B

`(1)/(5)`

C

`(2)/(3)`

D

`(1)/(3)`

Text Solution

Verified by Experts

The correct Answer is:
B
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