Question

write the formula and nature of d for roots​

Answer 1

Answer:

The discriminant is defined as Δ=b2−4ac. This is the expression under the square root in the quadratic formula. The discriminant determines the nature of the roots of a quadratic equation. ... If Δ≥0, the expression under the square root is non-negative and therefore roots are real.

Step-by-step explanation:

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