1-1f one solution of the equation 37 - 82 +2kti
Seven
3
아를 (0 를
(6)
cg 3
?
2
times the other find the value of k.
Answers
Answered by
1
Answer:
if one of the root is a then other is 7a
Rearranging the given equation,
3x
2
−8x−2k−1=0
Sum of the roots must be -(-8)/3
=8/3
So,
a+7a=
3
8
8a=
3
8
a=
3
1
and product of the roots should be (2k+1)/3
So,
a×7a=
3
−2k−1
7a
2
=
3
−2k−1
7(
3
1
)
2
=
3
−2k−1
−2k−1=
3
7
−6k−3=7
−6k=10
k=
3
−5
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