1.

\sqrt{7+\sqrt{7+\sqrt{7+\sqrt{7}}}}

Answer»

suppose x=root(7+root(7+root(7)+.....))so x=root(7+x)so x^2=7+xso x^2-x-7=0so x=(1+root(1+28))/2 or (1-root(1+28))/2so x=(1+root(29))/2 or (1-root(29))/2



Discussion

No Comment Found