Question

What will be the condition for (a? – 9).cº + bx + c = 0 to be a
quadratic equation?
a = 0; a,b,c are real
2 =
3; a, b, care rea
in a =
3: a,b,c are real
a ++3; a,b,c are real​

Answer 1

Answer:

Step-by-step explanation:

Here's one way using the quadratic formula: The roots of ax2+bx+c=0 can be written as x=−b±√b2−4ac2a. Let x1=−b+√b2−4ac2a and let x2 be the reciprocal of this, so x2=2a−b+√b2−4ac.