${ }^{12} \mathrm{C}_{3}+{ }^{12} \mathrm{C}_{4}+{ }^{13} \mathrm{C}_{3}$ এর মান কত ?

${ }^{14} \mathrm{C}_{3}$

${ }^{13} \mathrm{C}_{4}$

${ }^{15} \mathrm{C}_{4}$

${ }^{14} \mathrm{C}_{4}$