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Question

The product of the roots of the equation 9x218|x|+5=0 is :

A
59
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B
2581
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C
527
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D
259
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Solution

The correct option is B 2581
Let |x|=t
9t218t+5=0
9t215t3t+5=0
(3t5)(3t1)=0
|x|=53,13
x=53,53,13,13
Product =2581

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