Question Number 87630 by mr W last updated on 05/Apr/20
Commented by mr W last updated on 05/Apr/20
$${ajfour}\:{sir}\:{has}\:{put}\:{this}\:{question}: \\ $$$${find}\:{the}\:{radius}\:{r}\:{of}\:{the}\:{small}\:{circles} \\ $$$${in}\:{terms}\:{of}\:{the}\:{parameters}\:{a}\:{and}\:{b} \\ $$$${of}\:{the}\:{ellipse}\:\left({a}\geqslant{b}\right). \\ $$