Which of the two assertions were truly made by the author and which are made up? A) Jack. Oh! about a hundred and thirty thousand pounds in the Funds

1)(c+2)*(c-3)=

c2*c3

c6

квадрат гипотенузы равен сумме квадратов катетов

обозначим гипотенузу за сторону a

a² = 8² + 14²

a² = 64 + 196 = 260

[tex]\displaystyle\tt a=\sqrt{260} =\sqrt{4\cdot 65} =2\sqrt{65}~cm[/tex]

ответ: a = 2√65