Solve
(2+omega)(2+ omega^2)(2-omega^4)

Which of the following contains a variable?

(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.

There were 25 students who answered to a survey about sports. four-fifths of them like football. how many students like football?