Question 1132651
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When you come with such problem (or, more concretely, with THIS problem) to the forum,


you must explain it in your post, who are "a" and "b".



You should not leave it to me to hypothesize who they are.



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<U>Answer</U>.  &nbsp;&nbsp;a = 4, &nbsp;b= 0.   &nbsp;&nbsp;&nbsp;&nbsp;But I will not explain you who are &nbsp;"a" &nbsp;and &nbsp;"b".


&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;You guess it on your own.