Find k if one root of the equation 5xsquare+6x+k=0 is 5time the other
Answers
Answered by
2
Let the root be a & 5a
5x²+6x+k=0
sum of roots=-b/a
a+5a=-6/5
6a=-6/5
a=-1/5
now,
product of roots=c/a
a×5a=k/5
5a²=k/5
5(-1/5)²=k/5
1/5=k/5
(1/5)×5=k
1=k
@Altaf
5x²+6x+k=0
sum of roots=-b/a
a+5a=-6/5
6a=-6/5
a=-1/5
now,
product of roots=c/a
a×5a=k/5
5a²=k/5
5(-1/5)²=k/5
1/5=k/5
(1/5)×5=k
1=k
@Altaf
Similar questions