Question

Rationalise the denominator
Hi need help in these 2 sums can u pls solve them solve both thxx a lot

Answer 1

Step-by-step explanation:

5+√6/5-√6=a-b√6

rationalising 5+√6/5-√6*5+√6/5+√6=a+b√6

(5+√6)^2/25-6=a-b√6

25+6+10√6/19

a-b√6=31/19+10√6/19

on comparing We get a=31/19 b=10/19