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Question

The roots of 2x26x+8=0 are ___________.


A

real, unequal and rational

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B

imaginary

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C

real, unequal and irrational

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D

real and equal

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Solution

The correct option is B

imaginary


Step 1: For 2x26x+8=0, value of discriminant
D=(6)24(2)(8)=3664=28

Step 2: Since D<0, roots are imaginary.


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