Question 1168233
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If you want to get full,  complete and correct answers/solutions from tutors 

at this forum,  NEVER  pack more than one problem per post.


MEMORIZE :   only one problem/question per post.


It is the  POLICY  and the  RULE  of this forum.


Those who violate this rule work against their own interests.



Come again soon and submit  ONE  problem per post.



Do not work against yourself.