if p divides a*a,then p divides a

Asked by  | 6th Mar, 2008, 05:30: PM

Expert Answer:

If p divides a*a,then p divides a is not true in general as 
if a =6 and p = 9

so 6*6 =36 is divisible by 9 but not vice versa

Answered by  | 7th Mar, 2008, 06:05: PM

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