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Question-155573




Question Number 155573 by amin96 last updated on 02/Oct/21
Commented by amin96 last updated on 02/Oct/21
ϕ=((1+(√5))/2)  golden ratio
$$\varphi=\frac{\mathrm{1}+\sqrt{\mathrm{5}}}{\mathrm{2}}\:\:{golden}\:{ratio} \\ $$

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