A) \[(A+B+....+l{)}'={A}'+{B}'+....+{l}'\]
B) \[(AB....l{)}'={A}'{B}'....{l}'\]
C) \[(kA{)}'=k{A}'\]
D) \[(A{)}'=A\]
Correct Answer: B
Solution :
It is based on fundamental concept.
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