(i) Calculate (2x-3y)*(-x+2y).
(ii) Remove unnecessary line breaks and data from the question and format it properly: Given ||x||=√2, ||y||=3, and the angle between x and y is θ=π/4, calculate (2x-3y)*(-x+2y).
(a.) 6√2
(b.) -6√2
(c.) 12√2
(d.) -12√2