How do you find the limit as (x,y) tends to (0,0) of (x^2 + y^2)/(sqrt(x^2 + y^2 + 1) -1)? I don't know what to sub in to find this.

Question

anonymous · Answer

maybe we can try multiplying top and bottom by the conjugate, like you would if you just had 
$$\frac{x}{\sqrt{x+1}-1}$$

amistre64 · Answer

Math Processing Error .. in nice RED letters .....

amistre64 · Answer

@mattfuery , how do we fix that since its only appears to be affecting my computer

amistre64 · Answer

@mattfeury

amistre64 · Answer

that one turned blue yay!!

anonymous · Answer

othere have complained they cannot read what i write as well

amistre64 · Answer

it depends on what you wrote :)

anonymous · Answer

Thanks satellite, I still understood what you meant. That method worked and I got the correct answer of 2.