Question

if alpha and beta are the zeroes of the polynomial x square +x+1, then 1/alpha+1/beta​

Answer 1

Answer:

Answer : -1

Step-by-step explanation:

p(x)=x²+x+1

then alpha+beta=-b÷a=-1

and alpha(a)× beta(b)= c÷a=1.

now,

1÷alpha + 1÷beta= alpha + beta÷alpha × beta( LCM).

putting the value of a.b and a+b we get,

-1÷1=-1 Ans.

Answer 2

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