CUET Preparation Today
CUET
-- Mathematics - Section B2
Algebra
If the matrix $A=\begin{bmatrix} 0 & 2y & z \\x & y & -z \\ x & -y & z \end{bmatrix}$ satisfies the equation $A^TA=I_3,$ then $x^2+y^2 +z^2 $ is :
0
1
2
6
