The statutory documents of a company, QU L

问题：

The statutory documents of a company, QU Limited, provide for two classes of shares, with each class of shareholders having the right to appoint up to two directors on the board of directors. The class A shareholders hold a majority of the issued shares and are to resolve that the rights of the class B shareholders be modified and shall only have the right to appoint one director.Required:Explain whether the holders of the class A shares can unilaterally resolve to vary the rights attached to the class B shares. (10 marks)