Question

If all the three zeroes of the cubic polynomial ax^3+bx^2+cx+d are equal then find the value of bc/ad.

Answer 1

Answer:

We generally know that the sum of product of roots of a cubic equation is given by c/a

Given one root is 0

Let the other roots be α,β

So,

αβ + β(0) + (0)α = c/a

αβ = c/a

Hence the product of other two roots is c/a

Step-by-step explanation:

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