Matrices and Determinants Part 2

Section: Mathematics

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Question : 97 of 100

Marks: +1, -0

If A=[

cos‌θ	i‌sin‌θ
i‌sin‌θ	cos‌θ

], (θ=

π

24

) and A5=[

a	b
c	d

], where i=√−1 , then which one of the following is not true?

[4 Sep 2020 Shift 1]

0≤a2+b2≤1
a2−d2=0
a2−b2=
1
2
a2−c2=1

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