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If P(x)= -4x^3+5x-1, use synthetic substitution to find each of the following.

2. P(1/3)

3. P(i)

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TutorCat

TutorCat answered
13 years ago

hint for #3 : i^2 = -1

P(x)= -4(i)^3+5(i)-1 = ?

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