If \(A_{\lambda\sigma}\) and \(B_{\lambda\sigma}\) are two second rank tensors satisfying \[ A_{\lambda\sigma}x^\lambda x^\sigma = B_{\lambda\sigma}x^\lambda x^\sigma\] for arbitrary four vector \(x^\mu\), what is the relationship between \(A_{\lambda\sigma}\) and \( B^{\lambda\sigma}\)?
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4727:Diamond Point
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