Mathematics · Algebra
व्यंजक (x + y + z)2 - (x2 + y2 + z2) किसके बराबर है?
- 1x + y + z
- 20
- 3xy + yz + zx
- 42(xy + yz + zx)✓
सही उत्तर देखें
2(xy + yz + zx)
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