JEE Math Practice Question
The distance of the point (1, − 2, 4) from the plane passing through the point (1, 2, 2) and perpendicular to the planes x − y + 2z = 3 and 2x − 2y + z + 12 = 0, is :
- A.$$2\sqrt 2 $$
- B.2
- C.$$\sqrt 2 $$
- D.$${1 \over {\sqrt 2 }}$$
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