Find all zeros of polynomial x4+2x3-7x2-8x+12 if 2root2and -2root2 are two given zeros of the polynomial.
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Answer:
Step-by-step explanation:
if 2√2 and -2√2 are the two zeros, then
(x-2√2)(x+2√2) must divide the given equation with 0 as a remainder
(x²-8)
the question is wrong as x²-8 doesn't divides the given equation fully
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