If A = [ array cc 1 & x - x & 1 array ] , then the value of |A T A –1 | is
Mathematics · JEE Advanced · NTA Exams — Matrices and Determinants
If A = \(\left[\begin{array}{cc}
1 & \tan x \\
-\tan x & 1
\end{array}\right]\), then the value of |ATA–1| is
- cos 4x
- sec2 x
- – cos4x
- 1
Answer
(D) 1
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