C-03-Q064: If $a+b = \sqrt{7}$ and $a-b = \sqrt{5}$, $8ab(a^2+b^2) = ?$

C-03-Q064: If $a+b = \sqrt{7}$ and $a-b = \sqrt{5}$, $8ab(a^2+b^2) = ?$ | প্রশ্ন করি

If a+b=7a+b = \sqrt{7}a+b=7​ and a−b=5a-b = \sqrt{5}a−b=5​, 8ab(a2+b2)=?8ab(a^2+b^2) = ?8ab(a2+b2)=?