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Question

If two zeroes of a cubic polynomial ax3+bx2+cx+d are each equal to zero , then the third zero is

A
da
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B
ca
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C
ba
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D
b9
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Solution

The correct option is B ba
Given two zeroes of a cubic polynomial ax3+bx2+cx+d

are zero, Let third zero be y

then sum of zeroes =ba

0+0+y=ba

y=ba

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