Liebe179 Liebe179

15-04-2014
Mathematics

Answered

Which expression represents y⁴ - 36 in simplest factored form?
A. ( y² + 4)( y² - 9)
B. ( y² + 4)( y - 3)( y + 3)
C. ( y² + 6)( y² - 6)
D. ( y⁴ - 36)( y +1)

Answer :

15-04-2014

[tex]y^4 - 36 = (x^2)^2-6^2 = (y^2+6) (y^2-6)\\ \\ \\ a^2+b^2 =(a+b) (a-b) \\ \\\\ Answer : \ C. \ ( y^2+ 6)( y^2- 6)[/tex]

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