Question

8 plus root 5 by 8 minus root 5

Answer 1

Step-by-step explanation:

8+√5/8-√5

rationalising the factor

8+√5/8-√5×8-√5/8-√5

[8]²-[√5]²/[8-√5]²

64-5/64+5-16√5

59/69-16√5