Normalize the following vectors.

$($a$)$

u $=17$i $2$j $+8$k$,$ v $=$i $+7$j $$ k

normalize u

Incorrect: Your answer is incorrect.

normalize v

Incorrect: Your answer is incorrect.

$($b$)$

u $=3$j $$ i$,$ v $=$j $+$ i

normalize u

Incorrect: Your answer is incorrect.

normalize v

Incorrect: Your answer is incorrect.

$($c$)$

u $=9$i $$ j $+8$k$,$ v $=$ i $+$ j $$ k

normalize u

Incorrect: Your answer is incorrect.

normalize v