1.

\lim _{h \rightarrow 0} \frac{\sqrt{x+h}-\sqrt{x}}{h}, x \neq 0

Answer»

by taking h=0 we will get 0/0 form so using L'hospital rulelim h->0 1/2root(x+h) - 1/2root(x)=1/2root(x)-1/2root(x)=0

Bdiya blue pen say likh kar bhejo



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