Answer :
√5m / √5n =
(√5m * √5n ) / (√5n * √5n)
= (√(5m * 5n) ) / (5n)
= (√(25m * n) / (5n)
= √25 * √(m * n) / (5n)
= 5 * √(m * n) / (5n)
= √(m * n) / n
(√5m * √5n ) / (√5n * √5n)
= (√(5m * 5n) ) / (5n)
= (√(25m * n) / (5n)
= √25 * √(m * n) / (5n)
= 5 * √(m * n) / (5n)
= √(m * n) / n