two vectors are presented as a=3.0i +5.0j and b=2.0i+4.0j find(a) a x b ab (c) (

two vectors are presented as a=3.0i +5.0j and b=2.0i+4.0j find(a) a x b ab (c) (a+b)b and (d) the component of a along thedirection of b.