Please solve all

21) B = [X]B = -4 CON . Find the vector x determined by the given 21) coordinate vector [x] and the given basis B. 2) 61 = [ ].b2 = [ ].x =, and B= . Find the coordinate vector [X]B of the 22) vector x relative to the given basis B. 23 ) by = 2 02 - . x - [ ' ] and 8 -