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Latest Questions

5 to the tenth power

F_n=\frac{\phi^n-\psi^n}{\sqrt5}

where

\phi=\frac{1+\sqrt5}{2},\qquad \psi=\frac{1-\sqrt5}{2}

For F_4:

F_4=\frac{\left...

z(-p-d)

-p*+z

1-10*x+90*x^2

factorize

5(x-4)=2(x+1)-7

p^2=1.524^3

p^2=3^3

p^2=50^3

547xx35

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