Let R(x) be the remainder when the polynomial x401=x301+x201+x101+xis divided by x4−xThen which of the following statements is/are correct?
A
R(-1) equals -1
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B
R(2)R(12) equals 652
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C
R(–2) equals (–4)
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D
R(1) equals 0
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Solution
The correct options are AR(-1) equals -1 BR(2)R(12) equals 652 CR(–2) equals (–4) given x401+x301+x201+x101+x=(x−1)x(x−ω)(x−ω2) given R(x)=ax3+bx2+cx+d out x=d,x=1,n=ω,n=ω2givend=0,a=1,b=c=2R(x)=x3+2x2+2x