Determine the nature of the roots for the quadratic equation
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To determine the nature of roots of quadratic equations (in the form ax^2 + bx +c=0) , we need to caclulate the discriminant, which is b^2 - 4 a c. When discriminant is greater than zero, the roots are unequal and real. When discriminant is equal to zero, the roots are equal and real
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Determine the nature of the roots for the quadratic equation :
- Nature of the roots = ?
By comparing with ax² + bx + c = 0, we have :
Now, let's find discriminant (D) :
Now, we know that :
- When D = 0, then roots are real and equal.
- When D > 0, then roots are real and unequal.
- When D < 0, then there are no real roots.
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