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limit

limit

by Siddhant Goel -
Number of replies: 3

can anyone help me with this limit?

limit (x->0) xx

In reply to Siddhant Goel

Re: limit

by Manish Verma -

Hint:

Let \(y={\lim }\limits_{x\to 0} x^x\)

\(\Rightarrow\ln y={\lim }\limits_{x\to 0} x\ln x\)

\(\Rightarrow\ln y={\lim }\limits_{x\to 0} {{\ln x}\over{{1/x}}}\)

Which is \({\infty \over \infty }\) form, hence L. Hospital's rule can be used.


 

In reply to Manish Verma

Re: limit

by sushanth gs -

write thx in the base as (1+(x-1))

then multiply and divide the x in the exponent by x-1

so we have

lim x->0 (1+(x-1))x(x-1)/(x-1)  

this reduces to the form lim x->0 (1+p)1/p

so we get elim x->0 x(x-1) =1

In reply to Siddhant Goel

Re: limit

by vaibhav mathur -

I think the limit does not exist.

LHL = lim h->0(0-h)^(0-h) =lim h->0(-1)^(-h)xh^(-h)

lim h->0(1/h)^h

RHL=lim h->0(0+h)^(0+h)= lim h->0h^h

Hence LHL is not equal to RHL.

Hence the limit does not exist.