Question

rationalize sqrt(x+6) -sqrt(x)/6

Answer 1

is this calc?

Answer 2

?

Answer 3

can you be more clear? what do you want to do here ?

Answer 4

rationalize the numerator

Answer 5

if you have (a-b), multiply (top and bottom of the fraction) by a+b
the top becomes (a-b)(a+b)= a^2 - b^2
this will get rid of the square roots.

However, you will have square roots in the denominator.