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Question

If p,q & r are the zeroes of a cubic polynomial ax3+bx2+cx+d, then what will be p+q+r?

A
ba
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B
ca
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C
ba
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D
ca
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Solution

The correct option is A ba
We know that for a cubic polynomial ax3+bx2+cx+d
Sum of zeroes = ba
Therefore, p+q+r=ba

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