Question

simplify 6-4√2/6+4√2 by rationlising denominator​

Answer 1

6-4√2/6+4√2

(6-4√2/6+4√2)*(6-4√2/6-4√2)

{(6-4√2)(6-4√2)}/{(6+4√2)(6-4√2)

(36+32-2*36*4√2)/(36-32)

(68-48√2)/4

17-12√2