Write duals of the following expressions :(i) 1 + x =1(ii) (a + b)

1.	Write duals of the following expressions :(i) 1 + x =1(ii) (a + b).(a’ + b’)(iii) ab + bc = 1(iv) (a’c + c’a)(b’d + d’b)
Answer» (i) 0 . x = 0 (ii) ab + a’b’ (iii) (a + b)(b + c) = 0 (iv) ((a’+ c)(c’ + a)) + ((b’+ d)(d’ + b))

Write duals of the following expressions :(i) 1 + x =1(ii) (a + b).(a’ + b’)(iii) ab + bc = 1(iv) (a’c + c’a)(b’d + d’b)

Answer»

(i) 0 . x = 0

(ii) ab + a’b’

(iii) (a + b)(b + c) = 0

(iv) ((a’+ c)(c’ + a)) + ((b’+ d)(d’ + b))

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Write duals of the following expressions :(i) 1 + x =1(ii) (a + b).(a’ + b’)(iii) ab + bc = 1(iv) (a’c + c’a)(b’d + d’b)

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