The Boolean function f implemented shown below using input

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The Boolean function f implemented shown below using input multiplexer is—

1. A B C + A B C
2. A B C + A B C
3. A B C + A B C
4. A B C + A B C

Correct Option: A

From figure

E = BC + BC
and
f = E. 0 + E . A
= 0 + (BC + BC)A
= BCA + BCA