Mathematics · Linear Algebra
मान लीजिए कि A एक 4 × 4 आव्यूह (matrix) है जिसके अभिलक्षणिक मान (eigenvalues) -1, 1, 1, -2 हैं। यदि B = A4 - 5A2 + 5I है, तो trace(A + B) किसके बराबर है?
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