How do you simplify 2/sqrt(5) ?
2 Answers
Apr 18, 2018
Explanation:
Just turn two into the square root of four so you go from this:
to this:
Now you can put the square root infornt of them to get:
And that is pretty much it.
Apr 18, 2018
Explanation:
color(blue)"rationalise the denominator"
"that is remove the radical from the denominator"
"This is done by multiplying numerator/denominator"
"by the radical on the denominator"
"note that "sqrtaxxsqrta=a
rArr2/sqrt5xxsqrt5/sqrt5=(2sqrt5)/5=2/5sqrt5