Question

$Calculati: a) \frac{ 34^{2- 18^{2} } }{104} b) \frac{ 78^{2}- 46^{2} }{64} c) \frac{ 57^{2}- 39^{2} }{ 46^{2}- 26^{2} }$

Answer 1

a) =(1156-324)/104=832/104=8

b) =(6084-2116)/64=3968/64=62

c)= (3249-1521)/(2116-676)=1728/1440=1,2