Respuesta :

bonnielove
well the answer is A. 113-2tsqr 17t
apologiabiology
remember
i=√-1

complex numbers are written in form a+bi

so

113-√-68=
113-(√-1)(√(68)=
113-(i)(2√(17)=
113-2i√17

answer is B (what is that 't' doing there?)