For the polynomial

MATHEMATICS · Multi-part · A Level · Mathematics · Algebra and Functions · Algebra and Functions

Problem

For the polynomial r(x)=kx2+(k−3)x+1r(x)=k x^{2}+(k-3)x+1, answer the following: (i) Determine the value(s) of kk for which x=1x=1 is a zero of r(x)r(x). (ii) For each value of kk obtained in part (i), find the other zero of r(x)r(x). (iii) Verify your answer to part (ii) by direct substitution.

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