﻿ a, b, c are length of sides of an scalene triangle. If equation             has real and distinct roots, then the value of λ is given by: : Kaysons Education

# A, b, c are Length Of Sides Of An Scalene Triangle. If Equation             Has Real And Distinct Roots, Then The Value Of λ Is Given By:

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## Question

### Solution

Correct option is

A quadratic equation has real and distinct roots implies its Δ ≥ 0.

Now in any triangle sum of two sides is greater than the third.

Hence from (1) and (2).

3λ – 2 < 2   or   λ < 4/3.

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