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Its about square root

4 Hits, Last modified: 17 months ago

root of 9 as $3^2=9$. This definition can be extended to include the case, when square root can be negative. **Extended definition:** Let $x$ be a non-negative number.... ed square root of $x$ iff $r^2=x$. **From the extended definition:** * 2 is square root of 4 as $2^2... doesn't mean they must be equal. If we use the extended definition then it means we cannot consider to

Are the functions are same?

1 Hits, Last modified: 17 months ago

\frac{x^2-9}{x-3}\\ &=x+3 \hbox{ when } x\neq 3. \end{array}$$. At last we can say that $f$ and $g$ ar