If-f-x-ax-2-bx-c-g-x-ax-2-bx-c-where-ac-0-then-f-x-g-x-0-has-

Question Number 109485 by ZiYangLee last updated on 24/Aug/20

If f (x) = {a x}^{2} + b x + c, g (x) = - {a x}^{2} + b x + c

where a c \neq 0, then f (x) g (x) = 0 has

Answered by ajfour last updated on 24/Aug/20

f (x) g (x) = h (x) = {(b x + c)}^{2} - a^{2} x^{4}

h a s n o r e a l r o o t s, o n e r e a l r o o t o r

t w o r e a l r o o t s, n o t m o r e .

Commented by ZiYangLee last updated on 24/Aug/20

thanks