Question

Помогите срочно!!!!!!!!!
Плз!!!!

Answer 1

Первый ответ))))))))))))

Answer 2

$((a + b)^{11} \div (a + b)^{8} )^{12} = ( \frac{(a + b)^{11} }{(a + b)^{8} } )^{12} = ((a + b)^{11 - 8} )^{12} = ((a + b)^{3} )^{12} = (a + b)^{3 \times 12} = (a + b)^{36}$