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OpenStudy (anonymous):
Find the zeros of f(x) = 16x^4 - 81?
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OpenStudy (gorv):
16x^4 - 81=0 (2x)^4=3^4 2x=3 x=3/2
OpenStudy (gorv):
x=+3/2 and -3/2
OpenStudy (gorv):
@jjosephs23
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