Find the angle between the lines whose direction cosines are given by the equations `3l + m + 5n = 0
Channel: Doubtnut
Date: 27/12/2019

Find the angle between the lines whose direction cosines are given by the equations `3l + m + 5n = 0` and `6mn - 2nl + 5lm = 0`

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jee mains 2020, jee main january, class 12, jee main maths, jee 2020, cbse board, jee main question paper, up board question paper, up boards 2020, up board exam,up board sample paper, cbse class 12, cbse class 10, nageen prakashan, nootan publication