Find a vector of magnitude 5 units, and parallel to the resultant of the vectors ` -> a=2 hat i+3 hat j- hat k`and ` -> b= hat i-2 hat j+ hat k`.

Explanation

Given vectors a=`2^i+3^j−^k`


and


b=`^i−2^j+^k.`


Let →cbe the resultant of a and b.

∴c =`a+b=(2^i+3^j−^k)+(^i−2^j+^k)`

...