k a) The cubic polynomi al flx) = 2x° +tkx*+5x +3 , where is real , has a factor C2x1). Find the possible value cs) of k. Hence write fo) as a product of real factors. and

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3. a) The cubic pdynomial flx) = 2x² +kx²+5x +3 , where is real ,
has a factor C2x+1). Find the possible value Cs) of k.
Hence write foo as a product of real factors.
b) The polynomi al Plx) = x*+mx²+ 42x²+nx +65, where m and n
are real, has zeros 3+2i and 1-i.
%3D
:) Write Plx) as a product of two quadratics.
ii) Hence, determine the valves of m and n.
Transcribed Image Text:3. a) The cubic pdynomial flx) = 2x² +kx²+5x +3 , where is real , has a factor C2x+1). Find the possible value Cs) of k. Hence write foo as a product of real factors. b) The polynomi al Plx) = x*+mx²+ 42x²+nx +65, where m and n are real, has zeros 3+2i and 1-i. %3D :) Write Plx) as a product of two quadratics. ii) Hence, determine the valves of m and n.
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