Find the angle between x + 2y + 7z + 2 = 0 and 4x + 4y + z + 2 = 0.

(a) 69.69

(b) 84.32

(c) 63.25

(d) 83.25

I got this question in examination.

The doubt is from Three Dimensional Geometry topic in chapter Three Dimensional Geometry of Mathematics – Class 12

NCERT Solutions for Subject Clas 12 Math Select the correct answer from above options

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