己知A(x,2,3),B(5,4,7)AB=6,则x的值为多少?

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己知A(x,2,3),B(5,4,7)AB=6,则x的值为多少?己知A(x,2,3),B(5,4,7)AB=6,则x的值为多少?己知A(x,2,3),B(5,4,7)AB=6,则x的值为多少?AB=6

己知A(x,2,3),B(5,4,7)AB=6,则x的值为多少?
己知A(x,2,3),B(5,4,7)AB=6,则x的值为多少?

己知A(x,2,3),B(5,4,7)AB=6,则x的值为多少?
AB=6
AB^2=36
(x-5)^2+(2-4)^2+(3-7)^2=36
x=1 或 9 .