$$\left. \begin{array} { l } { 11 } \\ { 14 } \\ { a = 1 + a j + 3 k b = 3 j - a j + k , k } \\ { \text { a r i t e r a g i g s t a n a r i g a n s u r e n g \right.$$
$a=\frac{3bk+1}{1-j}\text{, }j\neq 1\text{, }k\in \mathrm{R}\text{, }b\in \mathrm{R}\text{, }c=11\text{, }d=14$
$a\in \mathrm{R}\text{, }j=1\text{, }k=-\frac{1}{3b}\text{, }b\neq 0\text{, }c=11\text{, }d=14$
