If matrix {\D}_1={\diag}( {\a}, {\b}, {\c}), matrix {\D}_2={\diag}(3,3,3) and {\A} is a Skew symmetric matrix of 3^{\text{rd }} order, then {\Tr} ( {\D}_1 {\D}_2 {\A}+ {\D}_1 {\D}_2+ {\D}_1 {\A}+ {\D}_2 {\A}) -{\Tr} ( {\D}_1+ {\D}_2) =

Correct Answer is : 2a+2b+2c−9

AP EAPCET 17th May 2023 Shift 2 Solved Paper

Section: Mathematics

Question : 5 of 160

Marks: +1, -0

If matrix D1=diag(a,b,c), matrix D2=diag(3,3,3) and A is a Skew symmetric matrix of 3‌rd ‌ order, then Tr(D1D2A+D1D2+D1A+D2A)−Tr(D1+D2)=

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