Find the roots of the equation `a^2x^2-3a b x+2b^2=0` by the method of completing the square.

Explanation

To solve the quadratic equation \( a^2x^2 - 3abx + 2b^2 = 0 \) by the method of completing the square, we will follow these steps:

### Step 1: Rewrite the equation
Start with the given equation:
\[ a^2x^2 - 3abx + 2b^2 = 0 \]

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