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प्रश्न
`2x^2-5sqrt2x+4=0`
उत्तर
`2x^2-5sqrt2x+4=0`
Here,
a=2,
b=`-5sqrt2`
`c=4`
Discriminant D is given by:
=`(-5sqrt2)^2-4xx2xx4`
=`(25xx2)-32`
=`50-32`
=`18`
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