At first glance, it may appear that a more general version, for any real numbers , could be proven without induction; but the case shows it may be false for non-integer values of . This suggests we examine the statement specifically for natural values of , and induction is the readiest tool.
At first glance it may appear that a more general version, for any real numbers  could, be proven without induction; but the case shows it may be false for non-integer values of . This suggests we examine the statement specifically for natu,ral values of  and ind,uction is the readiest tool.