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Maths-

General

Easy

Question

A determinant of second order is made with the element 0 and 1. The number of determinants with non negative values is –

3
10
11
13

The correct answer is: 13

L Three determinant of second order with negative value are possible
$open vertical bar table row 0 1 row 1 0 end table close vertical bar open vertical bar table row 0 1 row 1 1 end table close vertical bar open vertical bar table row 1 1 row 1 0 end table close vertical bar$
No. of possible determinant with elements 0, 1 are 2⁴ = 16
So, determinant with non negative value is 13.

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