a, b, c and d are negative integers. If ab + ac + ad = 0 then a × b � – McqOptions

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1.	a, b, c and d are negative integers. If ab + ac + ad = 0 then a × b × c × d is always
A.	dd
B.	ven
C.	ero
D.	one of these
Answer» C. ero

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