9000140509 | math4u.vsb.cz

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Project ID:

9000140509

Accepted:

1

Clonable:

0

Easy:

0

Find the solution set of the equation assuming

x \in N

.

(x + 1)! = 6 (x - 1)!

{2}

{- 3; 2}

{\frac{5}{7}}

{\frac{7}{5}}