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5 votes
5 votes
4m-m-1/2=3m+1/3 what is the value of m

User Vanni Totaro
by
3.1k points

1 Answer

5 votes
5 votes

Answer:

Correct option is

A

1,−1/2

For equal roots D=b

2

−4ac=0

⇒[2(m+1)]

2

−4m(3m+1)=0

⇒m

2

+2m+1−3m

2

−m=0

⇒−2m

2

+m+1=0

⇒2m

2

−m−1=0⇒(m−1)(m+

2

1

)=0

⇒m=1,

2

−1

User Victor Trusov
by
2.7k points