Question

if -1 zero get the polynomial p(x) = ax³-x²+x+4, find the value of a. ​

Answer 1

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Refer to the attachment

Answer 2

Answer:

$Given p(x)=ax³-x²+x+4</p><p></p><p>Since -1 is a zero of p(x) </p><p></p><p>p(-1)=0</p><p></p><p>Replace x by (-1) in p(x) we get p(-1).</p><p></p><p>p(-1)=a(-1)³-(-1)²+(-1)+4</p><p></p><p>0=a(-1)-1–1+4</p><p></p><p>-a-2+4=0</p><p></p><p>a=4–2</p><p></p><p>a=2.</p><p></p><p>$

Step-by-step explanation:

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