Question

Find x if the point (2,4,0) is at a distance of 10 unit from the point (3,5,x) ​

Answer 1

Answer:

let a point (2,4,0) and a point is (3,5,x)

since distance is 10 unit

so by distance formula

(3-2)^2 +(5-4)^2 +x^2=100

2+x^2=100

x^2=98

x= plus minus square root of 98