(6+2V3):5V5 (4) 1:2 Two circles touch ea...

(6+2V3):5V5 (4) 1:2 Two circles touch each other externally of radii 8 cm and 5 cm respectively. The length of their common tangent is (2) 415 cm (4) 5 15 cm (1) 4/10 cm 3) 5/10 cm and β are the roots of the equation x2-2x-3- a

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