Question

If the product of two zeroes of the polynomial p(x)=2x³+6x²-4x+9 is 3 then find its third zero?

Answer 1

Product of 3 zeros of a cubic polynomial = -d/a
Let the third zero be k
Product of 2 zeros = 3

So, -d/a = 3k
      -9/2=3k
k= -3/2

Answer 2

☺ ☺ ☺ Hope This Helps ☺ ☺ ☺