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Recent questions tagged composition-of-functions
Questions
If $f(x)=x^n$, $n\in N$ and $gof(x)=ng(x)$, then $g(x)$ = ?
jeemain
math
class12
ch1
relations-and-functions
composition-of-functions
easy
asked
May 27, 2013
by
rvidyagovindarajan_1
1
answer
$If A\{x,y,z\},\:\:B=\{1,2,3\}$ and $f:A\rightarrow B\:\:is\:1-1\:$function. Also one out of the following statements, $f(z)\neq 2,\:\:f(x)=1\:\:and\:\:f(y)\neq 1$ is true. then $f^{-1}(1)=?$
jeemain
math
class12
ch1
relations-and-functions
composition-of-functions
medium
asked
May 25, 2013
by
rvidyagovindarajan_1
1
answer
If $ A=\{x:x\in R\:and\:x\geq 1\}$ and $ f:A\rightarrow A$ is defined as $f(x)=2^{x(x-1)},$ then find $ f^{-1}(x).$
jeemain
math
class12
ch1
relations-and-functions
composition-of-functions
medium
asked
May 25, 2013
by
rvidyagovindarajan_1
1
answer
If $f(X)=\large\frac{kx}{1+x}$, $x\neq1$ and $fof(x)=x$, then find $k$.
jeemain
math
class12
ch1
relations-and-functions
composition-of-functions
easy
asked
May 25, 2013
by
rvidyagovindarajan_1
1
answer
If $f(x)=x^2\:\:and\:\:g(x)=2^x$ and $fog(x)=gof(x)$ then $x$ = ?
jeemain
math
class12
ch1
relations-and-functions
composition-of-functions
easy
asked
May 12, 2013
by
rvidyagovindarajan_1
1
answer
If $f(x)=\large\frac{1}{1-x}$ is a function defined in $R-\{1\}$ then $\;fofof(x)$ = ?
jeemain
math
class12
ch1
relations-and-functions
composition-of-functions
medium
asked
May 12, 2013
by
rvidyagovindarajan_1
1
answer
If $f(x)=x^2$ $g(x)=sinx$, $\forall x\in R$, then the set of all $x$ satisfying $fogogof(x)=gogof(x)$ is
jeemain
math
class12
ch1
relations-and-functions
composition-of-functions
medium
asked
May 7, 2013
by
rvidyagovindarajan_1
1
answer
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