Find the remaining zeros of each function and write in factored form. 13. f(x) = x + 3x³ - 29x² - 3x + 28; zeros: -1, 1 14.f(x) = 2x4 + 13x³ + 4x² - 61x - 30; factors: (x + 5)(x-2) 15. f(x) = x¹-x³-3x²-9x-108; zero: 3i

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Find the remaining zeros of each function and write in factored form.
13. f(x) = x² + 3x³ - 29x² - 3x + 28; zeros: -1, 1
14.f(x) = 2x4 + 13x³ + 4x² - 61x - 30; factors: (x + 5)(x - 2)
15. f(x)=x²-x³-3x² - 9x - 108; zero: 3i
Transcribed Image Text:Find the remaining zeros of each function and write in factored form. 13. f(x) = x² + 3x³ - 29x² - 3x + 28; zeros: -1, 1 14.f(x) = 2x4 + 13x³ + 4x² - 61x - 30; factors: (x + 5)(x - 2) 15. f(x)=x²-x³-3x² - 9x - 108; zero: 3i
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