Question 87854
simplify the square root of 20 over 5 minus 1 over the square root of 5

sq root of 20/5 - 1/sq root of 5

here the LCD= 5 sqr root of 5

sqr root of 20*sqr root of  5 -1*5/5 sqr root of 5

sqr root of 4*5*sqr root of  5-1*5/5 sqr root of 5

2*5-5/5 sqr root of 5


 10-5/ 5 sqr root of 5

 5/5 sqr root of 5

1/sqr root of 5