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Question: The distance of the point (2, 3, – 5) from the plane \(x + 2y - 2z = 9\)is...

The distance of the point (2, 3, – 5) from the plane x+2y−2z=9x + 2y - 2z = 9is

A

4

B

3

C

2

D

1

Answer

3

Explanation

Solution

D=∣2+6+10−91+4+4∣=3D = \left| \frac { 2 + 6 + 10 - 9 } { \sqrt { 1 + 4 + 4 } } \right| = 3.