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Question
Determine the nature of the roots of the following quadratic equation :
2x2 -3x+ 4= 0
Solution
2x2 -3x+ 4= 0
b2 - 4ac
= (-3)2 - 4(2)( 4)
= 9 - 32
= - 23
Since discriminant is negative, hence the roots are imaginary.
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