Question

if 1 and -2 are two zeros of the polynomial x cube minus 4 x square - 7 x + 10 find its third zero​

Answer 1

Answer:

answer for the given problem is given

Step-by-step explanation:

Used Concept:

If a,b,c are three zeroes of a cubic polynomial ax^3+bx^3+cx+d then

Sum of the zeroes =a+b = -b/a

Product of zeroes =abc = -d/a

Sum of product of two zeroes taken at a time =ab+bc+ca= c/a

Answer 2

Answer:

ans is 5

Step-by-step explanation:

put x=5 the given equation u will get third zero as 5!!