Let $f$ be any function defined on set $\Bbb N$.if $f(xy)=f(x)+f(y)$ & $f(2)=9$ then find $f(3)$ and answer for this question is $7$ . Please say how to get it.
How to find $\lim_{h\rightarrow 0}\frac{\sin(ha)}{h}$ without lhopital rule? I know when I use lhopital I easy get $$ \lim_{h\rightarrow 0}...
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