The distance between and is units

MATHEMATICS · Single correct · CBSE · Mathematics · Introduction to Three-Dimensional Geometry · Introduction to Three-Dimensional Geometry

Problem

The distance between

P(t,1,2)

and

Q(4,5,6)

is

7

units, where

t

is positive. Determine the value of

t

. (a)

4+\sqrt{33}

(b)

4+\sqrt{17}

(c)

\sqrt{17}

(d)

9

Related theory

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