If 2i/2+i - 3i/3+i= a+bi then a= and b=a= 1/10, -10, 1/50, or -1/10b= i/10, -10i, -1/10, or -i/50

(c) the diagram shows the first three shapes of a matchsticks arrangement.first shape = 3second shape = 5third shape = 7given m represents the number of matchstick used to arrange the n'th shape.(i) write a formula to represent the relation between m and n. express m as the subjectof the formula.(ii) 19 matchsticks are used to make the p'th shape. find the value of p.