Diff selection: Mark the radio buttons of the revisions to compare and hit enter or the button at the bottom.
Legend: (cur) = difference with latest revision, (prev) = difference with preceding revision, m = minor edit.
Legend: (cur) = difference with latest revision, (prev) = difference with preceding revision, m = minor edit.
| rev | Admin | (Created page with "'''Solution: D''' <math display = "block"> \begin{aligned} & I_3+I_4=(1+i)^2\left(P_1+P_2\right) \\ & \left(1-v^2\right)+(1-v)=(1+i)^2\left(v^4+v^3\right) \\ & \left(1-v^2+1-v\right)=(1+i)^2\left(v^4+v^3\right) \\ & v^2\left(1-v^2+1-v\right)=\left(v^4+v^3\right) \\ & 2 v^2-v^2\left(v^2+v\right)=v^2\left(v^2+v\right) \\ & 2 v^2=2 v^2\left(v^2+v\right) \\ & 1=v^2+v \\ & v^2+v-1=0 \\ & v=0.61803 \\ & 1+i=1.61803 \\ & i=0.61803\end{aligned} </math> {{soacopyright | 2023 }}") | Nov 19'23 at 14:26 | +475 |