Write the set of values of a for which the equation √3 sin x − x cos x=a has no solution.
Question 73
Choose a letter x, y, z, p etc...., wherever necessary, for the unknown (variable) and write the corresponding expressions for the given statement:
Write an equation for which 0 is a solution.
(a) What happens when sulphur dioxide is dissolved in water ? Write a word equation for the reaction which takes place.
(b) What happens when an iron nail is placed in copper sulphate solution ? Write word equation of the reaction involved.