Question

If one of the zeros of the cubic polynomial ax^3+bx^2+cx+d(anot equal zero)is zero.the product of the other two zeroes is

Answer 1

★ CUBIC REDUCTION ★

For a given cubic equation :

ax^3 + bx² + cx + d = 0

Let p , q , r , be the respective 3 roots ,then ,

pqr = - d/a

And given that , one of the roots is already equal to 0 , will result the whole product into 0

aslike ; pqr = 0 ( pq ) = 0

While taking any one of the roots to be equal to 0 , here , " r "

Hence , 0 will the product result of the other two roots

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