Question

If a = 1 3− √11 and b = 1 , then find a + b ​

Answer 1

a =√11/3b

= 1/a = 1/(√11/3)

= 3/√11a2 - b2

= (√11/3)2 -(3/√11)2

={(√11)2/(3)2} - {(3)2/(√11)2}

= (11/9) - (9/11)

= (121-81)/99

= 40/99