Mathematics · Matrices
यदि A और B समान क्रम (order) के वर्ग आव्यूह (square matrices) हैं, तो (A + B)(A - B) किसके बराबर है?
- 1A2 - BA + B2 + AB
- 2A2 - B2 + BA - AB✓
- 3A2 - BA - AB - B2
- 4A2 - B2
सही उत्तर देखें
A2 - B2 + BA - AB
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