If [(root 2) - 1] / [(root 2) + 1] = a+b(root 2), find the value of a b.
Taking LHS
Multiplying by conjugate
2+1-2
3-2
We have LHS = RHS
Using property,
3-2 = a +b
Hence
a= 3
b = -2
b =
b= -2
If [(root 2) - 1] / [(root 2) + 1] = a+b(root 2), find the value of a b.
Taking LHS
Multiplying by conjugate
2+1-2
3-2
We have LHS = RHS
Using property,
3-2 = a +b
Hence
a= 3
b = -2
b =
b= -2