Find All Real Zeros of the Polynomial $f ( x ) = x ^ { 4 } - 113 x ^ { 2 } + 3136$

question 178

Multiple Choice

Find all real zeros of the polynomial $f ( x ) = x ^ { 4 } - 113 x ^ { 2 } + 3136$ and determine the multiplicity of each.

• A)x = 49, multiplicity 2; x = 64, multiplicity 2
• B)x = 7, multiplicity 2; x = 8, multiplicity 2
• C)x = 49, multiplicity 2; x = 8, multiplicity 1
• D)x = -7, multiplicity 2; x = -8, multiplicity 2
• E)x = 7, multiplicity 1; x = -7, multiplicity 1; x = 8, multiplicity 1; x = -8, multiplicity 1

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