Question

If 'a' and 'B' are the zeroes of a quadratic polynomial ax²+bx+c, then a + B =​

Answer 1

Answer:

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Step-by-step explanation:

If α and β are the zeroes of the quadratic polynomial, then

aα

2

+bα+c=0 and

aβ

2

+bβ+c=0

or, aα

2

+bα − aβ

2

−bβ=0

Then, α+β=

a

−b

and αβ=

ab

c

Answer 2

Answer:

A and B are the zeros of a quadratic polynomial

A+B( sum of zeros)= -( coefficient of x) / ( coefficient of x²)

= - (b) /a