Question

5. If two of the zeros of the cubic polynomial ax3 + bx2+ cx + d is each equal to zero, then
the third zero is
d
b
b]
с)
d)
a)
ol
be
a
0​

Answer 1

Answer:

Given two zeroes of a cubic polynomial ax

3

+bx

2

+cx+d

are zero, Let third zero be y

then sum of zeroes =

a

−b

⇒0+0+y=

a

−b

⇒y=

a

−b