Question

4+√5÷4-√5=a+b√5
Find the value of a and b

Answer 1

4+√5/4-√5 = (4+√5)²/4²-(√5)² = 16+5+8√5/16-5 = 21+8√5/11 = a+b√5
on comparing,
a=21/11
b=8/11

Answer 2

HOPE IT HELPS TO U:)) and sorry for bad handwriting
----------Hitler