Question

find the distance between point (1,2,3) and (1,3,-2)

Answer 1

$\sqrt{((1 - 1) {}^{2} + (3 - 2) {}^{2} + ( - 2 - 3) {}^{2} ) }$
Answer will be √( 0 + 1 + 25) = √26 units

Answer 2

[tex] \sqrt{(1-1)^{2}+ (2-3)^{2}+ (3+2)^{2} } = \sqrt{0+1+25} = \sqrt{26} units[/tex]