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Grade: 11
        if the sum of the squares of the distances of a point from the three coordinate axis be 36, then its distance from the origin is
one year ago

Answers : (1)

Mustafa Ahmed
27 Points
							Let the distances be x y and z . Given that X^2+Y^2+Z^2=36. By distance formula we have: distance of a point from origin is the square root of the sum of squares ofndistances of that point along the axes. Mathematically, its root (X^2+Y^2+Z^2). = root (36) = 6 or -6. Since distance cant be negative, -6 neglected hence 6 is answer.
						
one year ago
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