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Question

If one root of ax2+bx+c=0 where a,b,c are integers be 3+5, then the other root is


A

3

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B

None of these

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C

5

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D

35

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Solution

The correct option is D

35


If one root of a quadratic equation with rational coefficients is irrational and of the form α + β, then the other root must also be irrational and of the form α - β.

Here, if one root of ax2+bx+c=0 where a,b,c are integers be 3+5, then the other root is 35


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