If the distance between planes, 4x - 2y - 4z + 1 = 0 and 4x - 2y - 4z + d = 0 is 7, then…

Mathematics · JEE Main · NTA Exams — Three Dimensional Geometry

1. 41 or - 42
2. 42 or - 43
3. -41 or 43
4. -42 or 44

Answer

(C) -41 or 43

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