Question

If x = 3 + 22, then the value of root x - 1/root x is:

Answer 1

Answer:

24/5

Step-by-step explanation:

$x = 25 \\ \sqrt{x} = 5 \\ 1 \div \sqrt{x} = 1 \div 5 \\ \sqrt{x} - (1 \div \sqrt{x} ) = 5 - (1 \div 5) = 24 \div 5.$