Math, asked by jennifer3481, 1 year ago

If 3 is a 0 of polynomial 2x square +x+k find value of k

Answers

Answered by shubham112004
0
p(x) =2x^2+x+k
p(3)=2×3×3+3+k=0
=2×9+3+k=0
=18+3+k=0
=21+k=0
=k=-21
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