Ifr, and r, are the radi of two concentric circles and (r,>ra). If the chord of the larger circle AB touches the inter circle. Find the value of AB

Ifr, and r, are the radi of two concentric circles and (r,>ra). If the

1.	Ifr, and r, are the radi of two concentric circles and (r,>ra). If the chord of the larger circle AB touches the inter circle. Find the value of AB
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Ifr, and r, are the radi of two concentric circles and (r,>ra). If the chord of the larger circle AB touches the inter circle. Find the value of AB​

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Ifr, and r, are the radi of two concentric circles and (r,>ra). If the chord of the larger circle AB touches the inter circle. Find the value of AB