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Gate2005_18

The switching expression corresponding to f(A,B,C,D)= \(\sum\)(1,4,5,9,11,12) is:

(a) \(B\overline C\overline D + \overline A\overline CD + A\overline BD\)                (b)\( AB\overline C + ACD + \overline B \overline C D
\)

(c) \(AC\overline D + A\overline B\overline C + A\overline C\overline D \)                (d)\( \overline ABD + AC\overline D + BC\overline D\)

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