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Exam Questions Papers - Engineering

Q1:

If the function A, B are A = R + PQ + RS B = PQRS + PQRS + PQRS
Which of the following is true?

A A = B

B
A = B

C no direct relation between A and B

D insufficient data

ANS:B -

A = B

A = R + PQ + RS B = PQ R S + P Q R S + PQ R S