If `D_(1) and D_(2)` are two `3x3` diagnal matrices where none
of the diagonal elements is zero, then

If D_(1) and D_(2) are two 3xx3 diagonal matrices where none of the diagonal elements is zero, then

If D_(1) and D_(2) are two 3xx3 diagonal matrices where none of the diagonal elements is zero, then

If D_(1) and D_(2) are two 3xx3 diagonal matrices, then which of the following is/are true ?

If D_(1) and D_(2) are two 3xx3 diagonal matrices, then which of the following is/are true ?

If D_(1) and D_(2) are two 3xx3 diagonal matrices, then which of the following is/are true ?

If D_(1) and D_(2) are two 3xx3 diagonal matrices, then which of the following is/are true ?

If D_(1) and D_(2) are two 3xx3 diagonal matrices, then which of the following is/are true ?

If D_(1) and D_(2) are two 3xx3 diagonal matrices, then which of the following is/are true? D_(1) and D_(2) is a diagonal matrix b.D_(1)D_(2)=D_(2)D_(1) c.D_(1)^(2)+D_(2)^(2) is a diagonal matrix d.none of these

If D_1 and D_2 are diagonal matices of order 3xx3 then (A) D_1^n is a diagonal matrix (B) D_1D_2=D_2D_1 (C) D_1^2+D_2^2 is diagonal matrix (D) D_1D_2 is a diagonal matix

If D_1 and D_2 are diagonal matices of order 3xx3 then (A) D_1^n is a diagonal matrix (B) D_1D_2=D_2D_1 (C) D_1^2+D_2^2 is diagonal matrix (D) D_1D_2 is a diagonal matix