Question

Find the value of x, If the distance between (5,-1,7) and (x.5.1) is 9 units​

Answer 1

Answer:

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,

81 =x2+25-10x+72

Answer 2

Answer:

Above is the correct answer.

Explanation:

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