JEE MATHEMATICS MCQ: QUADRATIC EQUATIONS

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Analyzing +4 | -1

Roots of the equation

a x^3+b x^2+c x+d=0

remain unchanged by increasing each coefficient by one unit, then

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Correct option: A

a=b=c=d \neq 0

Option D (

a=b=c=d \neq 0

) is correct because for the roots to remain unchanged, all coefficients must be equal.

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