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| 1. |
If the image of the point `P(1,-2,3)`in the plane, `2x+3y-4z+22=0`measured parallel to the line, `x/1-y/4-z/5`is `Q`, then `P Q`is equal to :`sqrt(42)`(2) `6sqrt(5)`(3) `3sqrt(5)`(4) `3sqrt(42)`A. `6sqrt(5)`B. `3sqrt(5)`C. `2sqrt(42)`D. `sqrt(5)` |
| Answer» Correct Answer - C | |