Q. 15 C4.2( 11 Votes )

If the distance of the point (x, 4) from the origin is 5 units, then the values of x are
A. ± 4

B. ±

C. ± 3

D. none of these

Answer :

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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