Question

Given that two of the zeros of the cubic polynomial ax³+bx²+(x+d) are 0. Find the third zero.​

Answer 1

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Two zeroes = 0, 0

Let the third zero be P.

The, using relation between zeroes and coefficient of polynomial,

we have:

${\implies{\rm{P + 0 + 0 = \frac{ - b}{a}}}}$

${\boxed{\implies{\rm{Third \: zero = P = \frac{ - b}{a}}}}}$

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