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Gate1997_5.5

Consider the logic circuit shown in Figure below. The functions  f1 , f2 and f (in canonical sum of products form in decimal notation) are:

f1 (w, x, y ,z) =\(\sum(8,9,10)\)
f2 (w ,x, y ,z) =\(\sum(7,8,12,13,14,15)\)
f (w, x ,y ,z) =\(\sum(8,9)\)

The function  f3 is
(a) \(\sum\)( 9,10 )
(b) \(\sum\)( 9)
(c)  \(\sum\)(1,8,9)
(d)  \(\sum\)(8,10,15)

 

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