5 Aug 2023

Class 12 | 3D | Direction cosine of two lines are satisfy those two equation al+bm+cn= 0 and pl^2+qm^2+rn^2 =0 find angle between two line

 

Class 12 | 3D | Direction cosine of two lines are satisfy those two equation al+bm+cn= 0 and pl^2+qm^2+rn^2 =0 find angle between two line

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