Maclauren series for f(x)= arctan x^2. Be sure to write in summation formula

If 1 is divided by the sum of y& 4. the result is equal to 3 divided by 4 .find the value of m?

(a) (8%) compute the probability of an even integer among the 100 integers 1! , 2! , 3! , until 100! (here n! is n factorial or n*(n-1)*(n-2) *… 1) (b) (16%) compute the probability of an even integer among the 100 integers: 1, 1+2, 1+2+3, 1+2+3+4, …., 1+2+3+… + 99, and 1+2+3+… + 100

8. kelly wants to buy a magazine that is $25. later the magazine was marked up an additional 20%. what is the new price?