$ + \left( { - 1} \right)\left| {\begin{array}{*{20}{c}}
{\sin \left( {x + \alpha } \right)}&{\sin \left( {x + \beta } \right)}&{\sin \left( {x + \gamma } \right)}\\
{\sin \left( {x + \alpha } \right)}&{\sin \left( {x + \beta } \right)}&{\sin \left( {x + \gamma } \right)}\\
{\sin \left( {\alpha + \beta } \right)}&{\sin \left( {\beta + \gamma } \right)}&{\sin \left( {\gamma + \alpha } \right)}
\end{array}} \right|$
$ + \left| {\begin{array}{*{20}{c}}
{\sin \left( {x + \alpha } \right)}&{\sin \left( {x + \alpha } \right)}&{\sin \left( {x + \gamma } \right)}\\
{\cos \left( {x + \alpha } \right)}&{\cos \left( {x + \alpha } \right)}&{\cos \left( {x + \gamma } \right)}\\
0&0&0
\end{array}} \right|$
$ = 0 - 0 + 0 = 0$
Henc, $f(x)$ is a constant $f'n;$
$\because $ $f\left( {10} \right) = 10\,\,\,\,\,\,\, \Rightarrow \boxed{f\left( x \right)10}$
$x-2 y+3 z=9$
$2 x+y+z=b$
$x-7 y+a z=24$
ને અનંત ઉકેલો હોય તો $a - b$ ની કિમત મેળવો
$2 x+y-z=5$
$2 x-5 y+\lambda z=\mu$
$x+2 y-5 z=7$
ને અસંખ્ય ઉકેલો હોય,તો
$(\lambda+\mu)^2+(\lambda-\mu)^2=........$