Question

The sum of zeroes of cubic polynomial 2x - 5x - 14x + 8 will be​

Answer 1

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Answer 2

ANSWER

The given polynomial

$p(x) = 2x {}^{2} - 5 {x}^{2} - 14x + 8$

If a there degree polynomial is f (x)

$= ax {}^{3} + bx {}^{2} + (x + a)$

Then,

sum of zeroes =-b/a

It the given polynomial

$a = 2 \: b = - 5 \: c = - 14 \: and \: d = 8$

Sum of zero

$= ( - 5) \: (2) = 2 - 5$

Product of zero

$= - (8) | 2 = - 4$

$2 - 5 \: and \: - 4$

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