Questions Day 2

1. Write a program to calculate 1/n!

2. Write a program to calculate xⁿ/n!

3. Write a program to check if n is a factorial number.

4. Write a program to find the largest factorial factor in n.

5. Write a program to multiply a and b using addition. Numbers can be greater than 0, less than 0 or 0.

6. The binomial theorem says that the coefficient ⁿC_r of  the r^th power of x in the expansion of (x+10)ⁿ is ⁿC_r=n!/(r!(n-r)!). Write a program to find all coefficients of x for given n.

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