Quadratic formula (Shridharacharya) (x equals negative b plus or minus square root of D, over 2a)
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x equals negative b plus or minus square root of D, over 2a
What each symbol means
| Symbol | What it stands for |
|---|---|
| D | b²−4ac |
| a | x² coeff |
| b | x coeff |
| c | constant |
When to use this
ax²+bx+c=0, a≠0; same a,b,c as in D.