If x = 2 is a zero of the polynomial 2x {}^(2) + 3x - p, then find the value if p.

asked Mar 12, 2019 21.6k views

4 votes

If x = 2 is a zero of the polynomial
$2x {}^(2) + 3x - p$ , then find the value if p.

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5 votes

Given :
$f(x) = 2x {}^(3) + 3x - p$

As x = 2 is a zero of the polynomial
So,
f(2) = 0

$2.2 {}^(3) + 3.2 - p = 0 = > 16 + 6 - p = 0$

= > 22 - p = 0 = > p = 22

Gary McGowan answered Mar 15, 2019

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