Express, The difference of a real number and itself is zero using re – McqOptions

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1.	Express, The difference of a real number and itself is zero using required operators.
A.	x(x x! = 0)
B.	x(x x = 0)
C.	x y(x y = 0)
D.	x(x x = 0)
Answer» C. x y(x y = 0)

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