what must be added to the polynomial p(x)=x^4-4x^3+4x^2-3x+4 so that the resultant polynomial is exactly divisible by q(x)=x-1
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Answer:
-6
Step-by-step explanation:
p(x)=x4−4x3+4x2−3x−4
q(x)=x-1q(x)=x−1
now,
the remainder of \frac{p(x)}{q(x)}q(x)p(x) is the number to be added so that it is divisible
now by the remainder theorem,
p(1) = remainder of the division of \frac{p(x)}{q(x)}q(x)p(x) ,
=> remainder = 1^{4}-4(1)^3+4(1)^2-3(1)-414−4(1)3+4(1)2−3(1)−4
= 1 - 4 + 4 -3 -4
= 1 - 7
= -6..................
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