Math, asked by keshhavmaurya, 7 months ago

Q12. For what values of m, the equation (1+m)x2

+2(1+2m)x + 1+m =0 has equal roots.​

Answers

Answered by sharmaraina802
0

Answer:

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

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