Share: Title:मुलबिन्दुसेसमतल vec(r) ((2)/(7)hati+(3)/(7)hatj-(6)/(7)hatk)=1 की दुरीहै: | 12 | त्रिविमीय ज्य... Duration: 1:35 Plays: 4 views Published: 2 years ago Download MP3 Download MP4