sea x ,y e R a) a, b > 0. Si a < b, demostrar que a^2 < b^2 b) a, b > 0. Si a^2 < b^2 demostrar que a < b c ) a, b > 0. Si a < b y n e N demostrar que a^n < b^n

(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.