Question
If α,β and γ are the zeroes of the cubic polynomial ax3+bx2+cx+d,
then α+β+γ is equal to
then α+β+γ is equal to
Answer: Option D
:
D
Ifα,β and γare the zeroes of thecubic polynomialax3+bx2+cx+d, then
sum of its zeroes
= α+β+γ
=−(coefficientofx2)(coefficientofx3)=−ba
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:
D
Ifα,β and γare the zeroes of thecubic polynomialax3+bx2+cx+d, then
sum of its zeroes
= α+β+γ
=−(coefficientofx2)(coefficientofx3)=−ba
Was this answer helpful ?
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