if one of the zeros of the cubic polynomial is x2+ax2+bx+c is -1 then the product of other two zeros are
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Step-by-step explanation:
If ax3+bx2+cx+d be a cubic polynomial , zeroes of it are p,q,r then,
p+q+r=a−b , pq+qr+pr=ac , pqr=a−d
given −1 is a zero let the other 2 zeroes be p,q.
p+q−1=−a,
pq=c,
pq−p−q=b
p+q=1−a,
pq=b+p+q=c
pq=b+1−a
thats it!!!! hope my answer is helpful :)
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