Question

Q. For What value of K, is 3 a zero of the polynomial 2x²+x+K?​

Answer 1

Answer:

Step-by-step explanation:

p(3)=18+3+k=>k=-18

Answer 2

Answer:

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Step-by-step explanation:

so when we put the value of 3 in place of x[3 is a zero of the polynomial given above. ]

2*(3*3)+3+K=0[* means multiplication ]

so,

(2*9)+3+K=0

21+K=0

so K=-21

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