Question

For what of value k is 3a zero of the polynomial p(x)=2x2+x+k

Answer 1

Step-by-step explanation:

The polynomial is:-

2x^2 × x × k

:- if, 3 is zero of polynomial for some value of k, than

2x^2 × x × k

:-2(3)^2 +3+k =0

:-2(9)+3+k =0

:-18+3+k=0

:-21+k=0

:-k=21