If A=⎡⎢⎣a2abacabb2bcacbcc2⎤⎥⎦ and a2+b2+c2=1, then A2= – InterviewSolution

1.	If A=⎡⎢⎣a2abacabb2bcacbcc2⎤⎥⎦ and a2+b2+c2=1, then A2=
Answer» If $A = ⎡ ⎢ ⎣ \begin{matrix} a^{2} & a b & a c a b & b^{2} & b c a c & b c & c^{2} \end{matrix} ⎤ ⎥ ⎦ and a^{2} + b^{2} + c^{2} = 1,$ then $A^{2} =$

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