Question

if 3 is zero of the polynomial 2x square + X + k then find the value of k​

Answer 1

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GIVEN:-

P(x) = 2x²+x+k

3 is the zero of p(x)

then value of k=?

SOLUTION:-

putting 3 in place of x

and putting p(x)=0

2(3)²+3+k=0

2(9)+3+k=0

18+3+k=0

21+k=0

K = -21

Hope it helps you...

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Answer 2

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