a + b + c = 9 এবং ab + bc + ca = 31 হয়, তবে ${\mathrm{a}}^2+{\mathrm{b}}^2+{\mathrm{c}}^2=?$

a + b + c = 9 এবং ab + bc + ca = 31 হয়, তবে ${\mathrm{a}}^2+{\mathrm{b}}^2+{\mathrm{c}}^2=?$

a + b + c = 9 এবং ab + bc + ca = 31 হয়, তবে ${\mathrm{a}}^2+{\mathrm{b}}^2+{\mathrm{c}}^2=?$

a + b + c = 9 এবং ab + bc + ca = 31 হয়, তবে ${\mathrm{a}}^2+{\mathrm{b}}^2+{\mathrm{c}}^2=?$

a + b + c = 9 এবং ab + bc + ca = 31 হয়, তবে ${\mathrm{a}}^2+{\mathrm{b}}^2+{\mathrm{c}}^2=?$

a + b + c = 9 এবং ab + bc + ca = 31 হয়, তবে ${\mathrm{a}}^2+{\mathrm{b}}^2+{\mathrm{c}}^2=?$

a + b + c = 9 এবং ab + bc + ca = 31 হয়, তবে ${\mathrm{a}}^2+{\mathrm{b}}^2+{\mathrm{c}}^2=?$

a + b + c = 9 এবং ab + bc + ca = 31 হয়, তবে ${\mathrm{a}}^2+{\mathrm{b}}^2+{\mathrm{c}}^2=?$

a + b + c = 9 এবং ab + bc + ca = 31 হয়, তবে ${\mathrm{a}}^2+{\mathrm{b}}^2+{\mathrm{c}}^2=?$

a + b + c = 9 এবং ab + bc + ca = 31 হয়, তবে ${\mathrm{a}}^2+{\mathrm{b}}^2+{\mathrm{c}}^2=?$

a + b + c = 9 এবং ab + bc + ca = 31 হয়, তবে ${\mathrm{a}}^2+{\mathrm{b}}^2+{\mathrm{c}}^2=?$

a + b + c = 9 এবং ab + bc + ca = 31 হয়, তবে ${\mathrm{a}}^2+{\mathrm{b}}^2+{\mathrm{c}}^2=?$

a + b + c = 9 এবং ab + bc + ca = 31 হয়, তবে ${\mathrm{a}}^2+{\mathrm{b}}^2+{\mathrm{c}}^2=?$

a + b + c = 9 এবং ab + bc + ca = 31 হয়, তবে ${\mathrm{a}}^2+{\mathrm{b}}^2+{\mathrm{c}}^2=?$

a + b + c = 9 এবং ab + bc + ca = 31 হয়, তবে ${\mathrm{a}}^2+{\mathrm{b}}^2+{\mathrm{c}}^2=?$

a + b + c = 9 এবং ab + bc + ca = 31 হয়, তবে ${\mathrm{a}}^2+{\mathrm{b}}^2+{\mathrm{c}}^2=?$

a + b + c = 9 এবং ab + bc + ca = 31 হয়, তবে ${\mathrm{a}}^2+{\mathrm{b}}^2+{\mathrm{c}}^2=?$

a + b + c = 9 এবং ab + bc + ca = 31 হয়, তবে ${\mathrm{a}}^2+{\mathrm{b}}^2+{\mathrm{c}}^2=?$

a + b + c = 9 এবং ab + bc + ca = 31 হয়, তবে ${\mathrm{a}}^2+{\mathrm{b}}^2+{\mathrm{c}}^2=?$

a + b + c = 9 এবং ab + bc + ca = 31 হয়, তবে ${\mathrm{a}}^2+{\mathrm{b}}^2+{\mathrm{c}}^2=?$

a + b + c = 9 এবং ab + bc + ca = 31 হয়, তবে ${\mathrm{a}}^2+{\mathrm{b}}^2+{\mathrm{c}}^2=?$

a + b + c = 9 এবং ab + bc + ca = 31 হয়, তবে ${\mathrm{a}}^2+{\mathrm{b}}^2+{\mathrm{c}}^2=?$

a + b + c = 9 এবং ab + bc + ca = 31 হয়, তবে ${\mathrm{a}}^2+{\mathrm{b}}^2+{\mathrm{c}}^2=?$

a + b + c = 9 এবং ab + bc + ca = 31 হয়, তবে ${\mathrm{a}}^2+{\mathrm{b}}^2+{\mathrm{c}}^2=?$

a + b + c = 9 এবং ab + bc + ca = 31 হয়, তবে ${\mathrm{a}}^2+{\mathrm{b}}^2+{\mathrm{c}}^2=?$

a + b + c = 9 এবং ab + bc + ca = 31 হয়, তবে ${\mathrm{a}}^2+{\mathrm{b}}^2+{\mathrm{c}}^2=?$

a + b + c = 9 এবং ab + bc + ca = 31 হয়, তবে ${\mathrm{a}}^2+{\mathrm{b}}^2+{\mathrm{c}}^2=?$

a + b + c = 9 এবং ab + bc + ca = 31 হয়, তবে ${\mathrm{a}}^2+{\mathrm{b}}^2+{\mathrm{c}}^2=?$

a + b + c = 9 এবং ab + bc + ca = 31 হয়, তবে ${\mathrm{a}}^2+{\mathrm{b}}^2+{\mathrm{c}}^2=?$

a + b + c = 9 এবং ab + bc + ca = 31 হয়, তবে ${\mathrm{a}}^2+{\mathrm{b}}^2+{\mathrm{c}}^2=?$

a + b + c = 9 এবং ab + bc + ca = 31 হয়, তবে ${\mathrm{a}}^2+{\mathrm{b}}^2+{\mathrm{c}}^2=?$

a + b + c = 9 এবং ab + bc + ca = 31 হয়, তবে ${\mathrm{a}}^2+{\mathrm{b}}^2+{\mathrm{c}}^2=?$

a + b + c = 9 এবং ab + bc + ca = 31 হয়, তবে ${\mathrm{a}}^2+{\mathrm{b}}^2+{\mathrm{c}}^2=?$

a + b + c = 9 এবং ab + bc + ca = 31 হয়, তবে ${\mathrm{a}}^2+{\mathrm{b}}^2+{\mathrm{c}}^2=?$