If the point is units from the origin

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

Problem

If the point

C(k,2k,k-1)

is

7

units from the origin, find

k

when

k>0

. (a)

4

(b)

-\dfrac{8}{3}

(c)

3

(d)

2

Related theory

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