Question

if alpha and beta are the zeros of quadratic polynomial X square + bx + c then evaluate 1.alpha by beta plus beta by alpha ., 2. alpha square by beta + beta square by alpha.?...
pls urgent...​

Answer 1

Answer:

Answer

f(x)=ax

2

+bx+c

α,β are the zeroes.

So α+β=

a

−b

&αβ=

a

c

α

1

+

β

1

−2αβ

⇒

αβ

α+β

−2αβ=

c/a

−b/a

−

a

2c

⇒

c

−b

−

a

2c

=−

ac

(ab+2c

2

)

hope it helps you

Answer 2

The act of inhaling and exhaling air in order to exchange oxygen for carbon dioxide.