Question

Find a cubic polynomial whose zeos are 2,-3 and4​​​

Answer 1

Answer:

General Form of cubic polynomial whose zeroes are a. b and c is :

x

3

−(a+b+c)x

2

+(ab+bc+ca)x−abc..........(1)

To find : cubic polynomial whose zeroes are 2,−3 and 4

Let us say , a=2,b=−3 and c=4

Putting the values of a, b and c in equation (1) we get :

=x

3

−(2−3+4)x

2

+(−6−12+8)x−(−24)

=x

3

−3x

2

−10x+24

which is required polynomial.

HOPE IT HELPED YOU

Answer 2

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