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Let x(1) and x(2) are the roots of ax^(2...

Let `x_(1)` and `x_(2)` are the roots of `ax^(2)+bx+c=0 (a,b,c epsilon R) and x_(1).x_(2)lt0, x_(1)+x_(2)` is non zero, then the roots of `x_(1)(x-x_(2))^(2)+x_(2)(x-x_(1))^(2)= 0` are

A

negative

B

real and opposite in sign

C

positive

D

non real

Text Solution

Verified by Experts

The correct Answer is:
B

Let `x_(1)` and `x_(2)` …………….
`x_(1)(x-x_(2))^(2)+x_(2)(x-x_(1))^(2)=0`
`implies x^(2)(x_(1)+x_(2))-4xx_(1)x_(2)+x_(1)x_(2)(x_(1)+x_(2))=0`
`D = 16(x_(1)x_(2))^(2)-4x_(1)x_(2).(x_(1)+x_(2))^(2)gt 0 as x_(1)x_(2)lt 0`
Product of roots `= x_(1)x_(2)lt 0`
Thus root are real of opposite signs.
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