Dear Learner, Can you find the solution to the question? Q. If | Lakshya NDA

Dear Learner,
Can you find the solution to the question?
Q. If a,b,c∊Q, then roots of the equation (b+c-2a)x^2+(c+a-2b)x+(a+b-2c)=0 are
1. Rational
2. Non-real
3. Irrational
4. Equal
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https://unacademy.onelink.me/HrwS/vk8h82z7