Two circles in the first quadrant of radii and touch the coordinate axes. Each of them cuts off an intercept of 2 units with the line . Then is equal to _______ . [2023]

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Q.
Two circles in the first quadrant of radii $r_{1}$ and $r_{2}$ touch the coordinate axes. Each of them cuts off an intercept of 2 units with the line $x + y = 2$ . Then $r_{1}^{2} + r_{2}^{2} - r_{1} r_{2}$ is equal to _______ . [2023]

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