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Frequency 25 15 Q. 38. In Fig. 4, two eq...

Frequency 25 15 Q. 38. In Fig. 4, two equal circles, with centre O and O' touch each other at X. OO' produced meets the circle with centre O' at A. AC is tangent to the circle with centre 0, at the DO wint (O'D is perpendicular to AC. Find the value of CO a OAX Fig. 4

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