Define a diagonal matrix.

Define trace of a matrix.

Define Trace of a matrix.

Define Rank of a matrix.

Define a scalar matrix.

Define Trace of a matrix and skew symmetric matrix.

Define triangular Matrix.

Define a scalar matrix, Give one example.

Define a symmetric matrix. Give one example of order 3 times 3

Assertion (A) : The matrix [(cosalpha,sinalpha),(-sinalpha,cosalpha)] is an orthogonal matrix. Reason (R) : If A is an orthogonal matrix then A A^(T)=A^(T)A=I

Silicon has diagonal relationship with