Mathematics · 3D Geometry
उन बिंदुओं का बिंदुपथ (locus) जिनसे दीर्घवृत्त x2a2 + y2b2 = 1, z = 0 पर तीन परस्पर लंबवत समतल खींचे जा सकते हैं, होगा:
- 1x2 + y2 - z2 = a2 + b2
- 2x2 + y2 + z2 = a2 + b2✓
- 3x2 - y2 + z2 = a2 - b2
- 4x2 - y2 - z2 = a2 - b2
सही उत्तर देखें
x2 + y2 + z2 = a2 + b2
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