For what value of m, the equation x^2 −mx+m+1=0 may have its roots in the ratio 2:3
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Answer:
Let the roots be 2x and 3x
sum of roots=-b/a
5x =m
Product of roots=c/a
6x^2=m+1
m=6x^2-1
5x=6x^2-1
6x^2-5x-1=0
6x^2-6x+x-1=0
6x(x-1)+1(x-1)=0
(6x+1)(x-1)=0
x=1 or x=-1/6
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