Test Index

IIT JEE Advanced 2010 Paper 1

Paragraph for Questions 72–74:
Let p be an odd prime number and Tp be the following set of 2 × 2 matrices:

Tp = {A=[

a	b
c	d

]:a,b,c∊{0,1,...,p−1}}

Question : 74

Total: 84

The number of A in Tp such that det (A) is not divisible by p is

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