Question

if a and b are the roots of x^2 - 2x - 1 = 0,
then find the value of (a ^2 )×b + a ×( b^2)​

Answer 1

Answer:

-2

Step-by-step explanation:

from  equation  

product of  roots=ab=-1

sum of  roots=a+b=2

now,  (a^2)*b+a*(b^2)

       =ab(a+b)

       = -1(2)

       =  -2.