Question

5. Prove that the following statement. If f is completely multiplicative function, then f * f (n) = f (n) times tau of (n).

Answer 1

${ \frac{ { \frac{ \frac{ { \sqrt{ { \frac{ { { { \sqrt[ \sqrt[ | \sqrt{ | \frac{ | \sqrt{ |7 \times \frac{7}{7} | } | }{7} \times \frac{77}{7} | } | ]{7} ]{7} }^{77} }^{7} }^{7} }{7} }^{7} } }^{77} }{7} \times \frac{7}{7} \times \frac{7}{7} }{7} \times \frac{7}{7} }^{7} }{7} }^{77} \times \frac{7}{7} \times \frac{7}{77} \times \frac{777777}{7} \times \frac{7}{7} \times \frac{7777}{77777777777} \times \frac{7}{7} \times \frac{77777}{7} \times \frac{7}{7} \times \frac{7}{7} \times \frac{7}{7} \times \frac{7}{7} \times \frac{7}{7} \times \frac{7}{7} \times \frac{7}{77} \times \frac{7}{7777} \times \frac{7}{7} \times \frac{7}{7} \times \frac{77}{7} \times \frac{7}{7} \times \frac{7}{7} \times \frac{7}{7} \times \frac{7}{7}$