AP EAMCET202521 May 2025Evening ShiftMathematicsVector AlgebraActual
If the points A, B, C, D with position vectors i + j - k , i - j +2 k , i -2 j + k , 2 i + j + k respectively form a tetrahedron, then the angle between the faces ABC and ABD of the tetrahedron is
Options
- ACos ⁻¹ ( -4 29 )
- BCos ⁻¹ ( -4 5 )
- CCos ⁻¹ ( 3 5 )
- DCos ⁻¹ ( 29 33 )
Correct answer
A. Cos ⁻¹ ( -4 29 )
Step-by-step solution
No Solution
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