Mathematics · Vector Algebra
यदि a और b दो सदिश हैं, तो (a + b) × (a - b) किसके बराबर है?
- 1-(a × b)
- 2a × b
- 3-2(a × b)✓
- 42(a × b)
सही उत्तर देखें
-2(a × b)
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