Question

Verify whether y=1, -1 are zeroes of polynomial (y + 1)(y-2)​

Answer 1

Answer:

WE KNOW THAT y=1

Step-by-step explanation:

•first step=y×y-2y+y-2

•second step calculate the sign of (-2y+y)=y=1

2y-1y=1y=y

•third step= y²–y–2

So the ans is y²–y–2

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Answer 2

Step-by-step explanation:

sum of zeros=1=a

product of zeros=1=b

We take c=x

ax2+bx+c=0

we take c=2

1x power 2+1x+2=0

Therefore,Q.P is 1x power 2+1x+2

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