Questions tagged [radicals]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
10
votes
5answers
809 views

Simplify radical expression (a + b - Sqrt[a^2 - b^2])/Sqrt[a + b]

I have the following expansions: $\frac{a+b-\sqrt{a^2-b^2}}{\sqrt{a+b}}$ and $a>b>0$ Obviously we can simplify it further by hand $\sqrt{a+b}-\sqrt{a-b}$, but Mathematica doesn't know how to ...
1
vote
4answers
170 views

Solving radical equation

Intro I have encountered two radical expressions for which I have to find the roots analytically: ...
2
votes
1answer
448 views

Simplifying Radicals in Numerator and Denominator

I am new to Mathematica. So I am sorry if the question seems elementary. I wanted to simplify an expression but it seems that some radicals ($\sqrt{u}$ and $\sqrt{u-1}$) in numerator or denominator ...