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Question

Find the nature of the roots of the quadratic equations 2x25x+1=0.

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Solution

Given,

2x25x+1=0

Determinant=b24ac

To find nature of roots we need to find the determinant

b24ac=(5)24(1)(2)

58=3

As determinant is ve.

The roots are imaginary.

Nature of roots of 2a25x+1=0 are imaginary.

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