(A.B) এর পূরক হল :

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ALP CBT 2 Electrician Official Paper (Held On: 23 Jan 2019 Shift 3)
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  1. A এর পূরক + B এর পূরক
  2. A.B
  3. A + B
  4.  A এর পূরক . B এর পূরক

Answer (Detailed Solution Below)

Option 1 : A এর পূরক + B এর পূরক
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Detailed Solution

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অনুসৃত ধারণা :

ডি মরগানের সূত্র অনুসারে:

\(\overline {A + B} = \bar A.\bar B\)

\(\overline {A.B} = \bar A + \bar B\)

ডি মরগানের সূত্র বুলিয়ান বীজগণিতের সরলীকরণে সাহায্য করে।

Important Points

নাম 

AND গঠন 

OR গঠন 

আইডেন্টিটি সূত্র

1.A=A

0+A=A

শূন্য সূত্র

0.A=0

1+A=1

ইডেম্পোটেন্ট সূত্র

A.A=A

A+A=A

বিপরীত সূত্র

AA’=0

A+A’=1

বিনিময় সূত্র

AB=BA

A+B=B+A

সংযোজন সূত্র

(AB)C

(A+B)+C = A+(B+C)

বিভাজক সূত্র

A+BC=(A+B)(A+C)

A(B+C)=AB+AC

শোষক সূত্র

 A(A+B)=A

A+AB=A

ডি মরগানের সূত্র

(AB)’=A’+B’

(A+B)’=A’B’

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