If a and b are roots of the equation 
, then write the value of 
.
from the given equation sum of roots a + b = 1
Product of roots ab = 1
Now a2 + b2 = (a + b)2-2 a b
= 1 – 2
= - 1.
1
If a and b are roots of the equation , then write the value of .
from the given equation sum of roots a + b = 1
Product of roots ab = 1
Now a2 + b2 = (a + b)2-2 a b
= 1 – 2
= - 1.