what are tax free gifts, who can give to whom
In which interval the function f given by f x is equal to 4 sin x minus 2 x minus x cos x by 2 + cos x
A person can row a boat 8 km upstream and 24 km downstream in 4 hours. He can row 12 km downstream and 12 km upstream in 4 hours. Find the speed of rowing in still water and speed of the current.
determine whether the vector v=(3,3,4),lies in span {(1,-1,2),(2,1,3)}.