distance between the points 5;-1;7 and X ; 5;1 is 9 units find the value of x
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Step-by-step explanation:
x = 8
x = 2
Step-by-step explanation:
given points are :-
A (5,-1,7) and B (x,5,1)
also given that,
distance between these points is 9 units
now,
we know that,
distance between two points
A (x1,y1,z1) and B (x2,y2,z2)
is given by,
So, putting th respective values,
we get,
but, D = 9 units
so, putting the value and squaring both sides,
we get,
=>
=>
=>
=>
=> 'or'
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