(a) Find the coordinates of the foot of the perpendicular ...

CBSE Class 12 Math 2023 Delhi Set 3 Solved Paper

Question : 11 of 12

Marks: +1, -0

(a) Find the coordinates of the foot of the perpendicular drawn from point

(5,7,3)

to the line

\;{x-15}/{3}=\;{y-29}/{8}=\;{z-5}/{-5}

.
OR
(b) If

{a}↖{→}={i}↖{\^}+{j}↖{\^}+{k}↖{\^}

and

{b}↖{→}={i}↖{\^}+2 {j}↖{\^}+3 {k}↖{\^}

then find a unit vector perpendicular to both

{a}↖{→}+{b}↖{→}

and

{a}↖{→}-{b}↖{→}

Solution: 👈: Video Solution

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