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Let a,b,c be the sides of a triangle. No...

Let a,b,c be the sides of a triangle. No two of them are equal and `lamda in R` If the roots of the equation
`x ^(2) +2 (a+b+c)x+3 lamda (ab+bc+ca)=0` are real distinct, then

A

`lamda lt 4/3`

B

`lamda gt 5/3`

C

`lamda in ((1)/(3), (5)/(3))`

D

`lamda in ((4)/(3), (5)/(3))`

Text Solution

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A
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