Evaluate
2 sqrt (9*8) / (sqrt8+sqrt2)
6 sqrt8 / ( sqrt 8 + sqrt2) mutiply top and bottom by sqrt8 - sqrt 2
(6 sqrt 8 ) * (sqrt8-sqrt2) / (8-2)
(6*8 - 6 sqrt(16)) / 6
(48 - 24)/6 = 4
2√72
________ =
√8 + √2
2 √[36 * 2]
_________ =
√[4*2] + √2
2 √36 * √2
√4 √2 + √2
2 * 6 * √2
2√2 + √2
12 √2
√2 ( 2 + 1)
12
(2 + 1)
4
