Which of the following relations is incorrect - Vidyadip

MCQ

Which of the following relations is incorrect

A
$(A + B + .... + l)' = A' + B' + .... + l'$
✓
$(AB....l)' = A'B'....l'$
C
$(kA)' = kA'$
D
$(A)' = A$

✓

Answer

Correct option: B.

$(AB....l)' = A'B'....l'$

b
(b) It is based on fundamental concept.

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