if alpha and beta are the two zero of polynomial p(x)=x2+7x+10 then find the value of alpha and beta
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if alpha and beta are the two zero of polynomial p(x)=x2+7x+10 then find the value of alpha and beta
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Answer:
X2+5X+2X+10=0
X(X+5)+2(X+5)=0
(X+5) (X+2)=0
X=-5,X=-2
Step-by-step explanation:
we know that
if a,b ate roots then
x2-(a+b)x+ab=0). ( x²+2x+5x+7=0)
sofrom question a+b=7
ab=10
if a=5,b=2
then
ab=10 and a+b=7
so
5,2 are roots