Question

If a and b are the roots of x2

-9x-20. Find a2+b2​

Answer 1

Answer:

-1

Step-by-step explanation:

a+b= -b/a= -1

ab=c/a=1

a^2+b^2

=(a+b)^2-2ab

=(-1)^2-2(1)

=1-2

= -1