Question

Pls write the solution for it

Answer 1

the ans of the given is 47
$\frac{752}{16} = 47$
${a}^{2} + {b}^{2} = {a}^{2} + 2ab + {b}^{2} \\ {a}^{2} - {b}^{2} = {a}^{2} - 2ab + {b}^{2}$