If p and q are the roots of the quadratic equation (1 + √2)x2 – (√5 + √10)x + (1 + √2) = 0, then, the value of (p – q) is –
1
-2
2
2
3
1
4
3
5
-3
If p and q are the roots of the quadratic equation (1 + √2)x2 – (√5 + √10)x + (1 + √2) = 0, then, the value of (p – q) is –