$d({\mu }_1+{\mu }_2)$

$2d(\frac{1}{{\mu }_1}+{\mu }_2)$

$2d(\frac{1}{{\mu }_1}+\frac{1}{{\mu }_2})$

কোনোটিই নয়

$d({\mu }_1+{\mu }_2)$

$2d(\frac{1}{{\mu }_1}+{\mu }_2)$

$2d(\frac{1}{{\mu }_1}+\frac{1}{{\mu }_2})$

কোনোটিই নয়

$d({\mu }_1+{\mu }_2)$

$2d(\frac{1}{{\mu }_1}+{\mu }_2)$

$2d(\frac{1}{{\mu }_1}+\frac{1}{{\mu }_2})$

কোনোটিই নয়

$d({\mu }_1+{\mu }_2)$

$2d(\frac{1}{{\mu }_1}+{\mu }_2)$

$2d(\frac{1}{{\mu }_1}+\frac{1}{{\mu }_2})$

কোনোটিই নয়

$d({\mu }_1+{\mu }_2)$

$2d(\frac{1}{{\mu }_1}+{\mu }_2)$

$2d(\frac{1}{{\mu }_1}+\frac{1}{{\mu }_2})$

কোনোটিই নয়

$d({\mu }_1+{\mu }_2)$

$2d(\frac{1}{{\mu }_1}+{\mu }_2)$

$2d(\frac{1}{{\mu }_1}+\frac{1}{{\mu }_2})$

কোনোটিই নয়

$d({\mu }_1+{\mu }_2)$

$2d(\frac{1}{{\mu }_1}+{\mu }_2)$

$2d(\frac{1}{{\mu }_1}+\frac{1}{{\mu }_2})$

কোনোটিই নয়

$d({\mu }_1+{\mu }_2)$

$2d(\frac{1}{{\mu }_1}+{\mu }_2)$

$2d(\frac{1}{{\mu }_1}+\frac{1}{{\mu }_2})$

কোনোটিই নয়

$d({\mu }_1+{\mu }_2)$

$2d(\frac{1}{{\mu }_1}+{\mu }_2)$

$2d(\frac{1}{{\mu }_1}+\frac{1}{{\mu }_2})$

কোনোটিই নয়

$d({\mu }_1+{\mu }_2)$

$2d(\frac{1}{{\mu }_1}+{\mu }_2)$

$2d(\frac{1}{{\mu }_1}+\frac{1}{{\mu }_2})$

কোনোটিই নয়

$d({\mu }_1+{\mu }_2)$

$2d(\frac{1}{{\mu }_1}+{\mu }_2)$

$2d(\frac{1}{{\mu }_1}+\frac{1}{{\mu }_2})$

কোনোটিই নয়

$d({\mu }_1+{\mu }_2)$

$2d(\frac{1}{{\mu }_1}+{\mu }_2)$

$2d(\frac{1}{{\mu }_1}+\frac{1}{{\mu }_2})$

কোনোটিই নয়

$d({\mu }_1+{\mu }_2)$

$2d(\frac{1}{{\mu }_1}+{\mu }_2)$

$2d(\frac{1}{{\mu }_1}+\frac{1}{{\mu }_2})$

কোনোটিই নয়

$d({\mu }_1+{\mu }_2)$

$2d(\frac{1}{{\mu }_1}+{\mu }_2)$

$2d(\frac{1}{{\mu }_1}+\frac{1}{{\mu }_2})$

কোনোটিই নয়

$d({\mu }_1+{\mu }_2)$

$2d(\frac{1}{{\mu }_1}+{\mu }_2)$

$2d(\frac{1}{{\mu }_1}+\frac{1}{{\mu }_2})$

কোনোটিই নয়

$d({\mu }_1+{\mu }_2)$

$2d(\frac{1}{{\mu }_1}+{\mu }_2)$

$2d(\frac{1}{{\mu }_1}+\frac{1}{{\mu }_2})$

কোনোটিই নয়

$d({\mu }_1+{\mu }_2)$

$2d(\frac{1}{{\mu }_1}+{\mu }_2)$

$2d(\frac{1}{{\mu }_1}+\frac{1}{{\mu }_2})$

কোনোটিই নয়

$d({\mu }_1+{\mu }_2)$

$2d(\frac{1}{{\mu }_1}+{\mu }_2)$

$2d(\frac{1}{{\mu }_1}+\frac{1}{{\mu }_2})$

কোনোটিই নয়

$d({\mu }_1+{\mu }_2)$

$2d(\frac{1}{{\mu }_1}+{\mu }_2)$

$2d(\frac{1}{{\mu }_1}+\frac{1}{{\mu }_2})$

কোনোটিই নয়

$d({\mu }_1+{\mu }_2)$

$2d(\frac{1}{{\mu }_1}+{\mu }_2)$

$2d(\frac{1}{{\mu }_1}+\frac{1}{{\mu }_2})$

কোনোটিই নয়

$d({\mu }_1+{\mu }_2)$

$2d(\frac{1}{{\mu }_1}+{\mu }_2)$

$2d(\frac{1}{{\mu }_1}+\frac{1}{{\mu }_2})$

কোনোটিই নয়

$d({\mu }_1+{\mu }_2)$

$2d(\frac{1}{{\mu }_1}+{\mu }_2)$

$2d(\frac{1}{{\mu }_1}+\frac{1}{{\mu }_2})$

কোনোটিই নয়

$d({\mu }_1+{\mu }_2)$

$2d(\frac{1}{{\mu }_1}+{\mu }_2)$

$2d(\frac{1}{{\mu }_1}+\frac{1}{{\mu }_2})$

কোনোটিই নয়

$d({\mu }_1+{\mu }_2)$

$2d(\frac{1}{{\mu }_1}+{\mu }_2)$

$2d(\frac{1}{{\mu }_1}+\frac{1}{{\mu }_2})$

কোনোটিই নয়

$d({\mu }_1+{\mu }_2)$

$2d(\frac{1}{{\mu }_1}+{\mu }_2)$

$2d(\frac{1}{{\mu }_1}+\frac{1}{{\mu }_2})$

কোনোটিই নয়

$d({\mu }_1+{\mu }_2)$

$2d(\frac{1}{{\mu }_1}+{\mu }_2)$

$2d(\frac{1}{{\mu }_1}+\frac{1}{{\mu }_2})$

কোনোটিই নয়

$d({\mu }_1+{\mu }_2)$

$2d(\frac{1}{{\mu }_1}+{\mu }_2)$

$2d(\frac{1}{{\mu }_1}+\frac{1}{{\mu }_2})$

কোনোটিই নয়

$d({\mu }_1+{\mu }_2)$

$2d(\frac{1}{{\mu }_1}+{\mu }_2)$

$2d(\frac{1}{{\mu }_1}+\frac{1}{{\mu }_2})$

কোনোটিই নয়

$d({\mu }_1+{\mu }_2)$

$2d(\frac{1}{{\mu }_1}+{\mu }_2)$

$2d(\frac{1}{{\mu }_1}+\frac{1}{{\mu }_2})$

কোনোটিই নয়

$d({\mu }_1+{\mu }_2)$

$2d(\frac{1}{{\mu }_1}+{\mu }_2)$

$2d(\frac{1}{{\mu }_1}+\frac{1}{{\mu }_2})$

কোনোটিই নয়

$d({\mu }_1+{\mu }_2)$

$2d(\frac{1}{{\mu }_1}+{\mu }_2)$

$2d(\frac{1}{{\mu }_1}+\frac{1}{{\mu }_2})$

কোনোটিই নয়

$d({\mu }_1+{\mu }_2)$

$2d(\frac{1}{{\mu }_1}+{\mu }_2)$

$2d(\frac{1}{{\mu }_1}+\frac{1}{{\mu }_2})$

কোনোটিই নয়

$d({\mu }_1+{\mu }_2)$

$2d(\frac{1}{{\mu }_1}+{\mu }_2)$

$2d(\frac{1}{{\mu }_1}+\frac{1}{{\mu }_2})$

কোনোটিই নয়

$d({\mu }_1+{\mu }_2)$

$2d(\frac{1}{{\mu }_1}+{\mu }_2)$

$2d(\frac{1}{{\mu }_1}+\frac{1}{{\mu }_2})$

কোনোটিই নয়