I am so sorry but i am still stuck there i tried to do what u adviced me to do but it s not leading me anywhere
This is what i have done till now!!!
;
and
Mr F says: You're expected to know that i^2 = j^2 = k^2 = 1. Therefore ....
Now what should i do with
And
=
therefore
Mr F says: Equate components on each side. eg. Equating i components gives v - w = 0.
what should i do with this???