0

Guest

Courses New

If a(b-c)x^2 + b(c-a) x + c(a-b) =0 hai equal roots then 2/b=

If a(b-c)x^2 + b(c-a) x + c(a-b) =0 hai equal roots then 2/b=

Grade:12

2 Answers

Saurabh Koranglekar
askIITians Faculty 10335 Points
5 years ago
Dear student

D = 0

b^2 -4ac = 0

using the quadratic formula we can find the required
Aditya Gupta
2081 Points
5 years ago
saurabh’s answer is sonce again not feasible.
let f(x)= a(b-c)x^2 + b(c-a) x + c(a-b) 
note that f(1)=0
that means both roots should be 1.
so 1+1= -b(c-a)/a(b-c)
and 1*1= c(a-b)/a(b-c)
from these eqns it is much easier to find b

Think You Can Provide A Better Answer ?

Other Related Questions on Algebra

View all Questions »

ASK QUESTION

Get your questions answered by the expert for free

Answer and earn gift vouchers

Win Gift vouchers upto Rs 500/-

View courses by askIITians

Design classes One-on-One in your own way with Top IITians/Medical Professionals

Click Here Know More

Complete Self Study Package designed by Industry Leading Experts

Click Here Know More

Live 1-1 coding classes to unleash the Creator in your Child

Click Here Know More

a Complete All-in-One Study package Fully Loaded inside a Tablet!

Click Here Know More