Asubgroup h of a group g is called characteristic if phi(h)=h for all automorphisms phi of g. show that the characteristic implies normal.

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true

step-by-step explanation:

it is more then likely a review to you prepare for an upcomign test or quiz

c.

step-by-step explanation:

simple you would first have to get   a negative number where as 1 to be multiplied by 24 and then you would have to multiply 6 time 4 and then repeat that process until you reach your term