Question

пжжжжжжжжжжж срочноооо​

Answer 1

$(a-2b)^{2} +8ab = a^{2} -4ab+4b^{2} +8ab = a^{2} +4ab+4b^{2} = (a+2b)^{2} \\a+b=1.59 => a= 1.59 - b = 1.59-0.41 = 1.18\\\\(a+2b)^{2} = (1.18 +2*0.41) ^{2} =4$