Select the boolean expression that is not equivalent, Basic Computer Science

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Select the boolean expression that is not equivalent

1a.Select the Boolean expression that is not equivalent to x && x || x && !x.

A. x •&& (x || !x)
B. (x || !x) •&& x
C. !x
D. x

b.Select the expression which is equivalent to x && y || x && y && z.

A. x && y
B. x && z
C. y && z
D. x && y && z

c.Select the expression which is equivalent to (x || y) && (x || !y).

A. y
B. !y
C. x
D. !x

d.Select the expression that is not equivalent to x && (!x || y) || y.

A. x && !x || y && (1 || x)
B. 0 || x && y || y
C. x && y
D. y

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Basic Computer Science: Select the boolean expression that is not equivalent

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Basic Computer Science: Select the boolean expression that is not equivalent

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