Question

Simplify (5+√6)(5-√6)

Answer 1

Answer:

I hope u r able to understand

(5+√6)/(5-√6)

rationalising,

( 5+√6)^2/(5)^2 -(√6)^2

( a+b) ^2= a^2+ b^2+2ab

we get, 25+ 6+10√6/(25-6)

therefore answer is , 31+10√6/19