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Mathematics, 01.09.2019 02:50 Rubxx2006

The expression x^4 - 16 is equivalent to :
(a) ( x^2 + 8 ) ( x^2 - 8)
(b) ( x^2-8) (x^2-8)
(c) ( x^2+4) ( x^2-4)
(d) (x^2-4) (x^2-4)

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The expression x^4 - 16 is equivalent to :
(a) ( x^2 + 8 ) ( x^2 - 8)
(b) ( x^2-8) (x^...
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