If the area of the triangle formed by th...

If the area of the triangle formed by the points `(2a,b), (a+b, 2b+a)` and (2b, 2a) be `Delta_(1)` and the area of the triangle whose vertices are `(a+b, a-b), (3b-a, b+3a)` and `(3a-b, 3b-a)` be `Delta_(2)`, then the value of `Delta_(2)//Delta_(1)` is

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