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The angle between the lines whose direction cosines are grven by 2l - m + zn = O, lm + mn + nl = 0 is

+3 votes

asked Oct 17, 2018 in Class 12 by kratos

The angle between the lines whose direction cosines are grven by 2l - m + zn = O, lm + mn + nl = 0 is

(a) π/6

(b) π/4

(c) π/3

(d) π/2

class-12
directions ratios
three dimensional geometry
direction cosines

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1 Answer

+4 votes

answered Aug 4, 2020 by kratos

Best answer

Correct Option**(d) π/2**

Explanation:

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