Question 1144629
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PLEASE learn on how to write your formulas horizontally.  In line, I mean.


Not


v 
e
r
t
i
c
a
l
l
y.



Do not look and do not search for the rest of your post.


It is in the garbage box,  inaccessible for the further use. 
I re-directed it there,  in order for you better learned my lesson.