Q. 15 C4.0( 13 Votes )

# If the distance of the point (x, 4) from the origin is 5 units, then the values of x areA. ± 4B. ±C. ± 3D. none of these

Distance between two points =

Here the second point is the origin.

Squaring on both sides,

25 = x2 + 16

Or

x= + 3 or - 3

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