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zigzagoon2000
Group Title
What is the factored form of the expression?
s^4 – 16
A. (s  2)^2(s + 2)^2
B. (s  2)(s + 2)
C. (s  i)(s + i)(s  2)(s + 2)
D. (s  2i)(s + 2i)(s  2)(s + 2)
A, B, C, or D? Please explain (:
 2 years ago
 2 years ago
zigzagoon2000 Group Title
What is the factored form of the expression? s^4 – 16 A. (s  2)^2(s + 2)^2 B. (s  2)(s + 2) C. (s  i)(s + i)(s  2)(s + 2) D. (s  2i)(s + 2i)(s  2)(s + 2) A, B, C, or D? Please explain (:
 2 years ago
 2 years ago

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rambo2210 Group TitleBest ResponseYou've already chosen the best response.0
s^2  16 = s^2  4^2 again the same formula a^2 b^2 (s4) (s+4)
 2 years ago

rambo2210 Group TitleBest ResponseYou've already chosen the best response.0
because s4 is again (s+2)(s2)
 2 years ago

nphuongsun93 Group TitleBest ResponseYou've already chosen the best response.1
\[\huge a^2  b^2 = (a +b)(ab)\]
 2 years ago

rambo2210 Group TitleBest ResponseYou've already chosen the best response.0
sorry answer is "D" (s  2i)(s + 2i) =(s+4)
 2 years ago

ByteMe Group TitleBest ResponseYou've already chosen the best response.1
\(\large s^416=(s^2)^24^2=(s^24)(s^2+4) \) that first factor is factorable using difference of squares. that second one is factorable involving "sum of squares"
 2 years ago

zigzagoon2000 Group TitleBest ResponseYou've already chosen the best response.0
Thanks a lot guys (:
 2 years ago
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