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Elanso [62]
3 years ago
8

(115) the product of integers x, y, and z is even. is z even?

Mathematics
1 answer:
djyliett [7]3 years ago
5 0
1. X/Y = Z

if x = 6, y = 2, then z = 3, not even

if x = 6, y = 3, then z = 2, even

<span>2. Z=XY </span>

so (z)^2 = 2*k (because x*y*z = 2k, where k is an integer)

<span>Sufficient, as if square of an integer is even ,then the integer is even</span>
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