for what values of a is the ratio of the roots of equation ax^2-(a+3)x+3=0equal to 1.5
Answers
Answered by
1
plz brailiest
Step-by-step explanation:
ax
2
−(a+3)x=0
Let the roots be α and 1.5α
Sum=2.5α=
a
a+3
Product=1.5α
2
=
a
3
2
5
α=1+
a
3
2
5
α=1+
2
3
α
2
3α
2
−5α+2=0
3α
2
−3α−2α+2=0
(3α−2)(α−1)=0
∴α=
3
2
or 1
1.5α
2
=
a
3
a=
3α
2
3x
2
a=
α
2
2
for α=1 a=2
for α=
3
2
, a=
4
2×9
, a=
2
9
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