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Matrices and Determinants

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Let p be an odd prime number and Tp be the following set of 2 × 2 matrices:
Tp = {A=[
ab
cd
]:a,b,c∊{0,1,...,p−1}}

Section: Mathematics
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Question : 50 of 56
 
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The number of A in Tp such that A is either symmetric or skew-symmetric or both, and det(A) divisible by p is
[JEE Adv 2010 P1]
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