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The angle between the planes 2x + y + z = 11 and x – 2y + z = 5 is :(A) cos-1\(\frac{1}{6}\) (B) cos-1\(\frac{1}{3}\) (C) \(\frac{\pi}{4}\) (D) None of these |
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Answer» Option : (A) cos-1\(\frac{1}{6}\) |
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