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Asked by alanpeter9611 | 13th Feb, 2019, 02:29: AM

Expert Answer:

Coordinate of given point P = ( 3, -5, 12 )
 
Coordinate of nearest point Q to point P on x-axis = (3,0,0)
 
Hence the required distance begin mathsize 12px style square root of open parentheses 3 minus 3 close parentheses squared plus open parentheses negative 5 minus 0 close parentheses squared plus open parentheses 12 minus 0 close parentheses squared space end root space equals space 13 space end style

Answered by Thiyagarajan K | 13th Feb, 2019, 01:34: PM

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