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The output of the following combinational circuit is $F$.

The value of $F$ is

1. $P_1+P_2’P_3$
2. $P_1+P_2’P_3’$
3. $P_1+P_2P_3’$
4. $P_1’+P_2P_3$

Its will be good if you explain how you get (P1+P2'P3'). (P1+P2'P3). (P1+P2P3')  from image.

image gives : (P1+P2'+P3'). (P1+P2'+P3). (P1+P2+P3')
Thank you

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